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Finding the Fourth Proportional to 586,695.60, 880,035.96 and 187,331.31

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Solution

The fourth proportional to 586,695.60, 880,035.96 and 187,331.31 is: 280,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,695.60 : 880,035.96 = 187,331.31 : x
  2. Step 2: Convert to fraction form
    586,695.60/880,035.96 = 187,331.31/x
  3. Step 3: Cross multiply
    586,695.60x = 880,035.96 × 187,331.31
  4. Step 4: Simplify right side
    586,695.60x = 164,858,289,233.91
  5. Step 5: Solve for x
    x = 164,858,289,233.91/586,695.60
  6. Step 6: Final answer
    x = 280,994.59

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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.