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Finding the Fourth Proportional to 700,279.92, 966,100.14 and 516,957.30

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Solution

The fourth proportional to 700,279.92, 966,100.14 and 516,957.30 is: 713,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,279.92 : 966,100.14 = 516,957.30 : x
  2. Step 2: Convert to fraction form
    700,279.92/966,100.14 = 516,957.30/x
  3. Step 3: Cross multiply
    700,279.92x = 966,100.14 × 516,957.30
  4. Step 4: Simplify right side
    700,279.92x = 499,432,519,904.02
  5. Step 5: Solve for x
    x = 499,432,519,904.02/700,279.92
  6. Step 6: Final answer
    x = 713,189.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.