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Finding the Fourth Proportional to 363,449.16, 545,261.22 and 153,147.24

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Solution

The fourth proportional to 363,449.16, 545,261.22 and 153,147.24 is: 229,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,449.16 : 545,261.22 = 153,147.24 : x
  2. Step 2: Convert to fraction form
    363,449.16/545,261.22 = 153,147.24/x
  3. Step 3: Cross multiply
    363,449.16x = 545,261.22 × 153,147.24
  4. Step 4: Simplify right side
    363,449.16x = 83,505,250,922.03
  5. Step 5: Solve for x
    x = 83,505,250,922.03/363,449.16
  6. Step 6: Final answer
    x = 229,757.72

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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.