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Finding the Fourth Proportional to 586,691.89, 880,030.40 and 187,327.60

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Solution

The fourth proportional to 586,691.89, 880,030.40 and 187,327.60 is: 280,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,691.89 : 880,030.40 = 187,327.60 : x
  2. Step 2: Convert to fraction form
    586,691.89/880,030.40 = 187,327.60/x
  3. Step 3: Cross multiply
    586,691.89x = 880,030.40 × 187,327.60
  4. Step 4: Simplify right side
    586,691.89x = 164,853,978,358.89
  5. Step 5: Solve for x
    x = 164,853,978,358.89/586,691.89
  6. Step 6: Final answer
    x = 280,989.02

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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.