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Finding the Fourth Proportional to 317,372.01, 476,059.77 and 80,714.85

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Solution

The fourth proportional to 317,372.01, 476,059.77 and 80,714.85 is: 121,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,372.01 : 476,059.77 = 80,714.85 : x
  2. Step 2: Convert to fraction form
    317,372.01/476,059.77 = 80,714.85/x
  3. Step 3: Cross multiply
    317,372.01x = 476,059.77 × 80,714.85
  4. Step 4: Simplify right side
    317,372.01x = 38,425,092,926.58
  5. Step 5: Solve for x
    x = 38,425,092,926.58/317,372.01
  6. Step 6: Final answer
    x = 121,072.72

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1.5x scale

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.