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Finding the Fourth Proportional to 621,652.43, 932,475.51 and 537,155.49

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Solution

The fourth proportional to 621,652.43, 932,475.51 and 537,155.49 is: 805,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,652.43 : 932,475.51 = 537,155.49 : x
  2. Step 2: Convert to fraction form
    621,652.43/932,475.51 = 537,155.49/x
  3. Step 3: Cross multiply
    621,652.43x = 932,475.51 × 537,155.49
  4. Step 4: Simplify right side
    621,652.43x = 500,884,339,487.05
  5. Step 5: Solve for x
    x = 500,884,339,487.05/621,652.43
  6. Step 6: Final answer
    x = 805,730.53

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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.