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Finding the Fourth Proportional to 603,676,383.45, 905,514,575.18 and 603,676,383.45

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Solution

The fourth proportional to 603,676,383.45, 905,514,575.18 and 603,676,383.45 is: 905,514,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,676,383.45 : 905,514,575.18 = 603,676,383.45 : x
  2. Step 2: Convert to fraction form
    603,676,383.45/905,514,575.18 = 603,676,383.45/x
  3. Step 3: Cross multiply
    603,676,383.45x = 905,514,575.18 × 603,676,383.45
  4. Step 4: Simplify right side
    603,676,383.45x = 546,637,763,902,907,136
  5. Step 5: Solve for x
    x = 546,637,763,902,907,136/603,676,383.45
  6. Step 6: Final answer
    x = 905,514,575.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.