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Finding the Fourth Proportional to 367,469.76, 550,686.78 and 292,256.40

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Solution

The fourth proportional to 367,469.76, 550,686.78 and 292,256.40 is: 437,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,469.76 : 550,686.78 = 292,256.40 : x
  2. Step 2: Convert to fraction form
    367,469.76/550,686.78 = 292,256.40/x
  3. Step 3: Cross multiply
    367,469.76x = 550,686.78 × 292,256.40
  4. Step 4: Simplify right side
    367,469.76x = 160,941,735,850.39
  5. Step 5: Solve for x
    x = 160,941,735,850.39/367,469.76
  6. Step 6: Final answer
    x = 437,972.74

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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.