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Finding the Fourth Proportional to 317,158.59, 475,739.48 and 80,501.34

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Solution

The fourth proportional to 317,158.59, 475,739.48 and 80,501.34 is: 120,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,158.59 : 475,739.48 = 80,501.34 : x
  2. Step 2: Convert to fraction form
    317,158.59/475,739.48 = 80,501.34/x
  3. Step 3: Cross multiply
    317,158.59x = 475,739.48 × 80,501.34
  4. Step 4: Simplify right side
    317,158.59x = 38,297,665,630.90
  5. Step 5: Solve for x
    x = 38,297,665,630.90/317,158.59
  6. Step 6: Final answer
    x = 120,752.41

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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.