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Finding the Fourth Proportional to 366,909.55, 550,364.33 and 330,167.95

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Solution

The fourth proportional to 366,909.55, 550,364.33 and 330,167.95 is: 495,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.55 : 550,364.33 = 330,167.95 : x
  2. Step 2: Convert to fraction form
    366,909.55/550,364.33 = 330,167.95/x
  3. Step 3: Cross multiply
    366,909.55x = 550,364.33 × 330,167.95
  4. Step 4: Simplify right side
    366,909.55x = 181,712,662,589.22
  5. Step 5: Solve for x
    x = 181,712,662,589.22/366,909.55
  6. Step 6: Final answer
    x = 495,251.93

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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.