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Finding the Fourth Proportional to 447,402.38, 671,208.68 and 147,882.98

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Solution

The fourth proportional to 447,402.38, 671,208.68 and 147,882.98 is: 221,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,402.38 : 671,208.68 = 147,882.98 : x
  2. Step 2: Convert to fraction form
    447,402.38/671,208.68 = 147,882.98/x
  3. Step 3: Cross multiply
    447,402.38x = 671,208.68 × 147,882.98
  4. Step 4: Simplify right side
    447,402.38x = 99,260,336,813.93
  5. Step 5: Solve for x
    x = 99,260,336,813.93/447,402.38
  6. Step 6: Final answer
    x = 221,859.20

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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.