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Finding the Fourth Proportional to 291,508.76, 437,330.10 and 151,236.20

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Solution

The fourth proportional to 291,508.76, 437,330.10 and 151,236.20 is: 226,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,508.76 : 437,330.10 = 151,236.20 : x
  2. Step 2: Convert to fraction form
    291,508.76/437,330.10 = 151,236.20/x
  3. Step 3: Cross multiply
    291,508.76x = 437,330.10 × 151,236.20
  4. Step 4: Simplify right side
    291,508.76x = 66,140,142,469.62
  5. Step 5: Solve for x
    x = 66,140,142,469.62/291,508.76
  6. Step 6: Final answer
    x = 226,889.04

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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.