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Finding the Fourth Proportional to 448,202.97, 672,435.61 and 144,591.28

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Solution

The fourth proportional to 448,202.97, 672,435.61 and 144,591.28 is: 216,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,202.97 : 672,435.61 = 144,591.28 : x
  2. Step 2: Convert to fraction form
    448,202.97/672,435.61 = 144,591.28/x
  3. Step 3: Cross multiply
    448,202.97x = 672,435.61 × 144,591.28
  4. Step 4: Simplify right side
    448,202.97x = 97,228,323,524.91
  5. Step 5: Solve for x
    x = 97,228,323,524.91/448,202.97
  6. Step 6: Final answer
    x = 216,929.23

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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.