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Finding the Fourth Proportional to 586,179.65, 878,810.12 and 231,459.18

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Solution

The fourth proportional to 586,179.65, 878,810.12 and 231,459.18 is: 347,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,179.65 : 878,810.12 = 231,459.18 : x
  2. Step 2: Convert to fraction form
    586,179.65/878,810.12 = 231,459.18/x
  3. Step 3: Cross multiply
    586,179.65x = 878,810.12 × 231,459.18
  4. Step 4: Simplify right side
    586,179.65x = 203,408,668,593.61
  5. Step 5: Solve for x
    x = 203,408,668,593.61/586,179.65
  6. Step 6: Final answer
    x = 347,007.39

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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.