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Finding the Fourth Proportional to 366,791.17, 550,345.14 and 198,430.10

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Solution

The fourth proportional to 366,791.17, 550,345.14 and 198,430.10 is: 297,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,791.17 : 550,345.14 = 198,430.10 : x
  2. Step 2: Convert to fraction form
    366,791.17/550,345.14 = 198,430.10/x
  3. Step 3: Cross multiply
    366,791.17x = 550,345.14 × 198,430.10
  4. Step 4: Simplify right side
    366,791.17x = 109,205,039,601.50
  5. Step 5: Solve for x
    x = 109,205,039,601.50/366,791.17
  6. Step 6: Final answer
    x = 297,730.83

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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.