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Finding the Fourth Proportional to 363,447.24, 545,258.30 and 153,145.32

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Solution

The fourth proportional to 363,447.24, 545,258.30 and 153,145.32 is: 229,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,447.24 : 545,258.30 = 153,145.32 : x
  2. Step 2: Convert to fraction form
    363,447.24/545,258.30 = 153,145.32/x
  3. Step 3: Cross multiply
    363,447.24x = 545,258.30 × 153,145.32
  4. Step 4: Simplify right side
    363,447.24x = 83,503,756,836.16
  5. Step 5: Solve for x
    x = 83,503,756,836.16/363,447.24
  6. Step 6: Final answer
    x = 229,754.82

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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.