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Finding the Fourth Proportional to 366,948.55, 550,422.83 and 330,206.95

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Solution

The fourth proportional to 366,948.55, 550,422.83 and 330,206.95 is: 495,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.55 : 550,422.83 = 330,206.95 : x
  2. Step 2: Convert to fraction form
    366,948.55/550,422.83 = 330,206.95/x
  3. Step 3: Cross multiply
    366,948.55x = 550,422.83 × 330,206.95
  4. Step 4: Simplify right side
    366,948.55x = 181,753,443,904.67
  5. Step 5: Solve for x
    x = 181,753,443,904.67/366,948.55
  6. Step 6: Final answer
    x = 495,310.43

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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.