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Finding the Fourth Proportional to 487,151.86, 725,590.91 and 465,294.50

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Solution

The fourth proportional to 487,151.86, 725,590.91 and 465,294.50 is: 693,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,151.86 : 725,590.91 = 465,294.50 : x
  2. Step 2: Convert to fraction form
    487,151.86/725,590.91 = 465,294.50/x
  3. Step 3: Cross multiply
    487,151.86x = 725,590.91 × 465,294.50
  4. Step 4: Simplify right side
    487,151.86x = 337,613,459,160.50
  5. Step 5: Solve for x
    x = 337,613,459,160.50/487,151.86
  6. Step 6: Final answer
    x = 693,035.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.