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Finding the Fourth Proportional to 366,691.19, 550,188.14 and 198,012.89

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Solution

The fourth proportional to 366,691.19, 550,188.14 and 198,012.89 is: 297,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,691.19 : 550,188.14 = 198,012.89 : x
  2. Step 2: Convert to fraction form
    366,691.19/550,188.14 = 198,012.89/x
  3. Step 3: Cross multiply
    366,691.19x = 550,188.14 × 198,012.89
  4. Step 4: Simplify right side
    366,691.19x = 108,944,339,904.12
  5. Step 5: Solve for x
    x = 108,944,339,904.12/366,691.19
  6. Step 6: Final answer
    x = 297,101.05

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1.5x scale

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.