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Finding the Fourth Proportional to 363,388.28, 545,146.14 and 150,155.24

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Solution

The fourth proportional to 363,388.28, 545,146.14 and 150,155.24 is: 225,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,388.28 : 545,146.14 = 150,155.24 : x
  2. Step 2: Convert to fraction form
    363,388.28/545,146.14 = 150,155.24/x
  3. Step 3: Cross multiply
    363,388.28x = 545,146.14 × 150,155.24
  4. Step 4: Simplify right side
    363,388.28x = 81,856,549,486.77
  5. Step 5: Solve for x
    x = 81,856,549,486.77/363,388.28
  6. Step 6: Final answer
    x = 225,259.19

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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.