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Finding the Fourth Proportional to 621,651.43, 932,474.01 and 537,154.49

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Solution

The fourth proportional to 621,651.43, 932,474.01 and 537,154.49 is: 805,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,651.43 : 932,474.01 = 537,154.49 : x
  2. Step 2: Convert to fraction form
    621,651.43/932,474.01 = 537,154.49/x
  3. Step 3: Cross multiply
    621,651.43x = 932,474.01 × 537,154.49
  4. Step 4: Simplify right side
    621,651.43x = 500,882,601,279.81
  5. Step 5: Solve for x
    x = 500,882,601,279.81/621,651.43
  6. Step 6: Final answer
    x = 805,729.03

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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.