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Finding the Fourth Proportional to 621,651.68, 932,474.38 and 537,154.74

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Solution

The fourth proportional to 621,651.68, 932,474.38 and 537,154.74 is: 805,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,651.68 : 932,474.38 = 537,154.74 : x
  2. Step 2: Convert to fraction form
    621,651.68/932,474.38 = 537,154.74/x
  3. Step 3: Cross multiply
    621,651.68x = 932,474.38 × 537,154.74
  4. Step 4: Simplify right side
    621,651.68x = 500,883,033,145.56
  5. Step 5: Solve for x
    x = 500,883,033,145.56/621,651.68
  6. Step 6: Final answer
    x = 805,729.40

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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.