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Finding the Fourth Proportional to 360,794.60, 541,378.67 and 261,772.10

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Solution

The fourth proportional to 360,794.60, 541,378.67 and 261,772.10 is: 392,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,794.60 : 541,378.67 = 261,772.10 : x
  2. Step 2: Convert to fraction form
    360,794.60/541,378.67 = 261,772.10/x
  3. Step 3: Cross multiply
    360,794.60x = 541,378.67 × 261,772.10
  4. Step 4: Simplify right side
    360,794.60x = 141,717,831,341.11
  5. Step 5: Solve for x
    x = 141,717,831,341.11/360,794.60
  6. Step 6: Final answer
    x = 392,793.66

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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.