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Finding the Fourth Proportional to 539,504.92, 744,516.85 and 297,787.56

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Solution

The fourth proportional to 539,504.92, 744,516.85 and 297,787.56 is: 410,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,504.92 : 744,516.85 = 297,787.56 : x
  2. Step 2: Convert to fraction form
    539,504.92/744,516.85 = 297,787.56/x
  3. Step 3: Cross multiply
    539,504.92x = 744,516.85 × 297,787.56
  4. Step 4: Simplify right side
    539,504.92x = 221,707,850,928.86
  5. Step 5: Solve for x
    x = 221,707,850,928.86/539,504.92
  6. Step 6: Final answer
    x = 410,946.86

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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.