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Finding the Fourth Proportional to 448,534, 672,801 and 182,439.28

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Solution

The fourth proportional to 448,534, 672,801 and 182,439.28 is: 273,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,534 : 672,801 = 182,439.28 : x
  2. Step 2: Convert to fraction form
    448,534/672,801 = 182,439.28/x
  3. Step 3: Cross multiply
    448,534x = 672,801 × 182,439.28
  4. Step 4: Simplify right side
    448,534x = 122,745,330,023.28
  5. Step 5: Solve for x
    x = 122,745,330,023.28/448,534
  6. Step 6: Final answer
    x = 273,658.92

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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.