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Finding the Fourth Proportional to 625,599.36, 938,304 and 204,865.92

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Solution

The fourth proportional to 625,599.36, 938,304 and 204,865.92 is: 307,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,599.36 : 938,304 = 204,865.92 : x
  2. Step 2: Convert to fraction form
    625,599.36/938,304 = 204,865.92/x
  3. Step 3: Cross multiply
    625,599.36x = 938,304 × 204,865.92
  4. Step 4: Simplify right side
    625,599.36x = 192,226,512,199.68
  5. Step 5: Solve for x
    x = 192,226,512,199.68/625,599.36
  6. Step 6: Final answer
    x = 307,267.76

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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.