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Finding the Fourth Proportional to 317,526.53, 476,165.68 and 115,074.59

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Solution

The fourth proportional to 317,526.53, 476,165.68 and 115,074.59 is: 172,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,526.53 : 476,165.68 = 115,074.59 : x
  2. Step 2: Convert to fraction form
    317,526.53/476,165.68 = 115,074.59/x
  3. Step 3: Cross multiply
    317,526.53x = 476,165.68 × 115,074.59
  4. Step 4: Simplify right side
    317,526.53x = 54,794,567,729.56
  5. Step 5: Solve for x
    x = 54,794,567,729.56/317,526.53
  6. Step 6: Final answer
    x = 172,566.90

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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.