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Finding the Fourth Proportional to 586,176.79, 878,805.85 and 231,456.33

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Solution

The fourth proportional to 586,176.79, 878,805.85 and 231,456.33 is: 347,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,176.79 : 878,805.85 = 231,456.33 : x
  2. Step 2: Convert to fraction form
    586,176.79/878,805.85 = 231,456.33/x
  3. Step 3: Cross multiply
    586,176.79x = 878,805.85 × 231,456.33
  4. Step 4: Simplify right side
    586,176.79x = 203,405,175,205.16
  5. Step 5: Solve for x
    x = 203,405,175,205.16/586,176.79
  6. Step 6: Final answer
    x = 347,003.12

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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.