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Finding the Fourth Proportional to 502,624.20, 753,863.40 and 147,601.20

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Solution

The fourth proportional to 502,624.20, 753,863.40 and 147,601.20 is: 221,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,624.20 : 753,863.40 = 147,601.20 : x
  2. Step 2: Convert to fraction form
    502,624.20/753,863.40 = 147,601.20/x
  3. Step 3: Cross multiply
    502,624.20x = 753,863.40 × 147,601.20
  4. Step 4: Simplify right side
    502,624.20x = 111,271,142,476.08
  5. Step 5: Solve for x
    x = 111,271,142,476.08/502,624.20
  6. Step 6: Final answer
    x = 221,380.39

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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.