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Finding the Fourth Proportional to 539,444.52, 744,429.76 and 297,727.08

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Solution

The fourth proportional to 539,444.52, 744,429.76 and 297,727.08 is: 410,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,444.52 : 744,429.76 = 297,727.08 : x
  2. Step 2: Convert to fraction form
    539,444.52/744,429.76 = 297,727.08/x
  3. Step 3: Cross multiply
    539,444.52x = 744,429.76 × 297,727.08
  4. Step 4: Simplify right side
    539,444.52x = 221,636,898,709.90
  5. Step 5: Solve for x
    x = 221,636,898,709.90/539,444.52
  6. Step 6: Final answer
    x = 410,861.34

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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.