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Finding the Fourth Proportional to 601,612.80, 902,419.20 and 483,514.80

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Solution

The fourth proportional to 601,612.80, 902,419.20 and 483,514.80 is: 725,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,612.80 : 902,419.20 = 483,514.80 : x
  2. Step 2: Convert to fraction form
    601,612.80/902,419.20 = 483,514.80/x
  3. Step 3: Cross multiply
    601,612.80x = 902,419.20 × 483,514.80
  4. Step 4: Simplify right side
    601,612.80x = 436,333,039,004.16
  5. Step 5: Solve for x
    x = 436,333,039,004.16/601,612.80
  6. Step 6: Final answer
    x = 725,272.20

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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.