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Finding the Fourth Proportional to 317,957.60, 476,426.10 and 168,002.30

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Solution

The fourth proportional to 317,957.60, 476,426.10 and 168,002.30 is: 251,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,957.60 : 476,426.10 = 168,002.30 : x
  2. Step 2: Convert to fraction form
    317,957.60/476,426.10 = 168,002.30/x
  3. Step 3: Cross multiply
    317,957.60x = 476,426.10 × 168,002.30
  4. Step 4: Simplify right side
    317,957.60x = 80,040,680,580.03
  5. Step 5: Solve for x
    x = 80,040,680,580.03/317,957.60
  6. Step 6: Final answer
    x = 251,733.82

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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.