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Finding the Fourth Proportional to 496,342.70, 744,514.05 and 441,230.30

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Solution

The fourth proportional to 496,342.70, 744,514.05 and 441,230.30 is: 661,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,342.70 : 744,514.05 = 441,230.30 : x
  2. Step 2: Convert to fraction form
    496,342.70/744,514.05 = 441,230.30/x
  3. Step 3: Cross multiply
    496,342.70x = 744,514.05 × 441,230.30
  4. Step 4: Simplify right side
    496,342.70x = 328,502,157,635.72
  5. Step 5: Solve for x
    x = 328,502,157,635.72/496,342.70
  6. Step 6: Final answer
    x = 661,845.45

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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.