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Finding the Fourth Proportional to 621,650.68, 932,472.89 and 537,153.74

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Solution

The fourth proportional to 621,650.68, 932,472.89 and 537,153.74 is: 805,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,650.68 : 932,472.89 = 537,153.74 : x
  2. Step 2: Convert to fraction form
    621,650.68/932,472.89 = 537,153.74/x
  3. Step 3: Cross multiply
    621,650.68x = 932,472.89 × 537,153.74
  4. Step 4: Simplify right side
    621,650.68x = 500,881,292,963.98
  5. Step 5: Solve for x
    x = 500,881,292,963.98/621,650.68
  6. Step 6: Final answer
    x = 805,727.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.