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Finding the Fourth Proportional to 586,176.98, 878,806.13 and 231,456.52

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Solution

The fourth proportional to 586,176.98, 878,806.13 and 231,456.52 is: 347,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,176.98 : 878,806.13 = 231,456.52 : x
  2. Step 2: Convert to fraction form
    586,176.98/878,806.13 = 231,456.52/x
  3. Step 3: Cross multiply
    586,176.98x = 878,806.13 × 231,456.52
  4. Step 4: Simplify right side
    586,176.98x = 203,405,405,078.40
  5. Step 5: Solve for x
    x = 203,405,405,078.40/586,176.98
  6. Step 6: Final answer
    x = 347,003.40

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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.