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Finding the Fourth Proportional to 471,554.87, 707,332.30 and 116,575.61

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Solution

The fourth proportional to 471,554.87, 707,332.30 and 116,575.61 is: 174,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,554.87 : 707,332.30 = 116,575.61 : x
  2. Step 2: Convert to fraction form
    471,554.87/707,332.30 = 116,575.61/x
  3. Step 3: Cross multiply
    471,554.87x = 707,332.30 × 116,575.61
  4. Step 4: Simplify right side
    471,554.87x = 82,457,690,517.10
  5. Step 5: Solve for x
    x = 82,457,690,517.10/471,554.87
  6. Step 6: Final answer
    x = 174,863.41

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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.