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Finding the Fourth Proportional to 564,737.30, 847,210.89 and 185,679.26

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Solution

The fourth proportional to 564,737.30, 847,210.89 and 185,679.26 is: 278,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,737.30 : 847,210.89 = 185,679.26 : x
  2. Step 2: Convert to fraction form
    564,737.30/847,210.89 = 185,679.26/x
  3. Step 3: Cross multiply
    564,737.30x = 847,210.89 × 185,679.26
  4. Step 4: Simplify right side
    564,737.30x = 157,309,491,119.14
  5. Step 5: Solve for x
    x = 157,309,491,119.14/564,737.30
  6. Step 6: Final answer
    x = 278,553.39

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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.