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Finding the Fourth Proportional to 534,012.86, 736,909.22 and 292,248.68

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Solution

The fourth proportional to 534,012.86, 736,909.22 and 292,248.68 is: 403,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,012.86 : 736,909.22 = 292,248.68 : x
  2. Step 2: Convert to fraction form
    534,012.86/736,909.22 = 292,248.68/x
  3. Step 3: Cross multiply
    534,012.86x = 736,909.22 × 292,248.68
  4. Step 4: Simplify right side
    534,012.86x = 215,360,743,870.91
  5. Step 5: Solve for x
    x = 215,360,743,870.91/534,012.86
  6. Step 6: Final answer
    x = 403,287.56

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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.