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Finding the Fourth Proportional to 586,179.61, 878,810.07 and 231,459.14

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Solution

The fourth proportional to 586,179.61, 878,810.07 and 231,459.14 is: 347,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,179.61 : 878,810.07 = 231,459.14 : x
  2. Step 2: Convert to fraction form
    586,179.61/878,810.07 = 231,459.14/x
  3. Step 3: Cross multiply
    586,179.61x = 878,810.07 × 231,459.14
  4. Step 4: Simplify right side
    586,179.61x = 203,408,623,025.54
  5. Step 5: Solve for x
    x = 203,408,623,025.54/586,179.61
  6. Step 6: Final answer
    x = 347,007.34

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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.