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Finding the Fourth Proportional to 625,166.71, 862,730.49 and 366,993.18

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Solution

The fourth proportional to 625,166.71, 862,730.49 and 366,993.18 is: 506,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,166.71 : 862,730.49 = 366,993.18 : x
  2. Step 2: Convert to fraction form
    625,166.71/862,730.49 = 366,993.18/x
  3. Step 3: Cross multiply
    625,166.71x = 862,730.49 × 366,993.18
  4. Step 4: Simplify right side
    625,166.71x = 316,616,207,384.28
  5. Step 5: Solve for x
    x = 316,616,207,384.28/625,166.71
  6. Step 6: Final answer
    x = 506,450.85

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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.