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Finding the Fourth Proportional to 367,548.44, 550,989.78 and 255,281.66

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Solution

The fourth proportional to 367,548.44, 550,989.78 and 255,281.66 is: 382,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,548.44 : 550,989.78 = 255,281.66 : x
  2. Step 2: Convert to fraction form
    367,548.44/550,989.78 = 255,281.66/x
  3. Step 3: Cross multiply
    367,548.44x = 550,989.78 × 255,281.66
  4. Step 4: Simplify right side
    367,548.44x = 140,657,585,681.44
  5. Step 5: Solve for x
    x = 140,657,585,681.44/367,548.44
  6. Step 6: Final answer
    x = 382,691.29

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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.