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Finding the Fourth Proportional to 539,444.39, 744,429.59 and 297,726.96

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Solution

The fourth proportional to 539,444.39, 744,429.59 and 297,726.96 is: 410,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,444.39 : 744,429.59 = 297,726.96 : x
  2. Step 2: Convert to fraction form
    539,444.39/744,429.59 = 297,726.96/x
  3. Step 3: Cross multiply
    539,444.39x = 744,429.59 × 297,726.96
  4. Step 4: Simplify right side
    539,444.39x = 221,636,755,600.98
  5. Step 5: Solve for x
    x = 221,636,755,600.98/539,444.39
  6. Step 6: Final answer
    x = 410,861.18

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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.