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Finding the Fourth Proportional to 367,397.34, 550,582.80 and 198,553.68

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Solution

The fourth proportional to 367,397.34, 550,582.80 and 198,553.68 is: 297,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,397.34 : 550,582.80 = 198,553.68 : x
  2. Step 2: Convert to fraction form
    367,397.34/550,582.80 = 198,553.68/x
  3. Step 3: Cross multiply
    367,397.34x = 550,582.80 × 198,553.68
  4. Step 4: Simplify right side
    367,397.34x = 109,320,241,084.70
  5. Step 5: Solve for x
    x = 109,320,241,084.70/367,397.34
  6. Step 6: Final answer
    x = 297,553.16

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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.