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Finding the Fourth Proportional to 534,863.69, 736,793.55 and 458,132.79

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Solution

The fourth proportional to 534,863.69, 736,793.55 and 458,132.79 is: 631,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,863.69 : 736,793.55 = 458,132.79 : x
  2. Step 2: Convert to fraction form
    534,863.69/736,793.55 = 458,132.79/x
  3. Step 3: Cross multiply
    534,863.69x = 736,793.55 × 458,132.79
  4. Step 4: Simplify right side
    534,863.69x = 337,549,287,478.48
  5. Step 5: Solve for x
    x = 337,549,287,478.48/534,863.69
  6. Step 6: Final answer
    x = 631,094.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.