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Finding the Fourth Proportional to 447,703.84, 671,789.04 and 198,327.52

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Solution

The fourth proportional to 447,703.84, 671,789.04 and 198,327.52 is: 297,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,703.84 : 671,789.04 = 198,327.52 : x
  2. Step 2: Convert to fraction form
    447,703.84/671,789.04 = 198,327.52/x
  3. Step 3: Cross multiply
    447,703.84x = 671,789.04 × 198,327.52
  4. Step 4: Simplify right side
    447,703.84x = 133,234,254,266.38
  5. Step 5: Solve for x
    x = 133,234,254,266.38/447,703.84
  6. Step 6: Final answer
    x = 297,594.62

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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.