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Finding the Fourth Proportional to 306,027.60, 459,114.30 and 148,126.20

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Solution

The fourth proportional to 306,027.60, 459,114.30 and 148,126.20 is: 222,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,027.60 : 459,114.30 = 148,126.20 : x
  2. Step 2: Convert to fraction form
    306,027.60/459,114.30 = 148,126.20/x
  3. Step 3: Cross multiply
    306,027.60x = 459,114.30 × 148,126.20
  4. Step 4: Simplify right side
    306,027.60x = 68,006,856,624.66
  5. Step 5: Solve for x
    x = 68,006,856,624.66/306,027.60
  6. Step 6: Final answer
    x = 222,224.59

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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.