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Finding the Fourth Proportional to 366,963.35, 550,445.03 and 254,988.95

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Solution

The fourth proportional to 366,963.35, 550,445.03 and 254,988.95 is: 382,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.35 : 550,445.03 = 254,988.95 : x
  2. Step 2: Convert to fraction form
    366,963.35/550,445.03 = 254,988.95/x
  3. Step 3: Cross multiply
    366,963.35x = 550,445.03 × 254,988.95
  4. Step 4: Simplify right side
    366,963.35x = 140,357,400,232.42
  5. Step 5: Solve for x
    x = 140,357,400,232.42/366,963.35
  6. Step 6: Final answer
    x = 382,483.43

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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.