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Finding the Fourth Proportional to 502,176.11, 753,270.30 and 147,197.31

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Solution

The fourth proportional to 502,176.11, 753,270.30 and 147,197.31 is: 220,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,176.11 : 753,270.30 = 147,197.31 : x
  2. Step 2: Convert to fraction form
    502,176.11/753,270.30 = 147,197.31/x
  3. Step 3: Cross multiply
    502,176.11x = 753,270.30 × 147,197.31
  4. Step 4: Simplify right side
    502,176.11x = 110,879,361,862.89
  5. Step 5: Solve for x
    x = 110,879,361,862.89/502,176.11
  6. Step 6: Final answer
    x = 220,797.76

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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.