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Finding the Fourth Proportional to 502,574.66, 753,745.17 and 147,493.34

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Solution

The fourth proportional to 502,574.66, 753,745.17 and 147,493.34 is: 221,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,574.66 : 753,745.17 = 147,493.34 : x
  2. Step 2: Convert to fraction form
    502,574.66/753,745.17 = 147,493.34/x
  3. Step 3: Cross multiply
    502,574.66x = 753,745.17 × 147,493.34
  4. Step 4: Simplify right side
    502,574.66x = 111,172,392,632.17
  5. Step 5: Solve for x
    x = 111,172,392,632.17/502,574.66
  6. Step 6: Final answer
    x = 221,205.73

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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.