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Finding the Fourth Proportional to 586,179.90, 878,810.49 and 231,459.43

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Solution

The fourth proportional to 586,179.90, 878,810.49 and 231,459.43 is: 347,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,179.90 : 878,810.49 = 231,459.43 : x
  2. Step 2: Convert to fraction form
    586,179.90/878,810.49 = 231,459.43/x
  3. Step 3: Cross multiply
    586,179.90x = 878,810.49 × 231,459.43
  4. Step 4: Simplify right side
    586,179.90x = 203,408,975,093.42
  5. Step 5: Solve for x
    x = 203,408,975,093.42/586,179.90
  6. Step 6: Final answer
    x = 347,007.76

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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.