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Finding the Fourth Proportional to 625,737.14, 938,884.75 and 288,596.50

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Solution

The fourth proportional to 625,737.14, 938,884.75 and 288,596.50 is: 433,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.14 : 938,884.75 = 288,596.50 : x
  2. Step 2: Convert to fraction form
    625,737.14/938,884.75 = 288,596.50/x
  3. Step 3: Cross multiply
    625,737.14x = 938,884.75 × 288,596.50
  4. Step 4: Simplify right side
    625,737.14x = 270,958,852,753.38
  5. Step 5: Solve for x
    x = 270,958,852,753.38/625,737.14
  6. Step 6: Final answer
    x = 433,023.45

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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.