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Finding the Fourth Proportional to 539,445.38, 744,430.94 and 297,727.94

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Solution

The fourth proportional to 539,445.38, 744,430.94 and 297,727.94 is: 410,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445.38 : 744,430.94 = 297,727.94 : x
  2. Step 2: Convert to fraction form
    539,445.38/744,430.94 = 297,727.94/x
  3. Step 3: Cross multiply
    539,445.38x = 744,430.94 × 297,727.94
  4. Step 4: Simplify right side
    539,445.38x = 221,637,890,238.46
  5. Step 5: Solve for x
    x = 221,637,890,238.46/539,445.38
  6. Step 6: Final answer
    x = 410,862.52

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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.