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Finding the Fourth Proportional to 364,766.60, 547,073.10 and 154,411.40

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Solution

The fourth proportional to 364,766.60, 547,073.10 and 154,411.40 is: 231,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,766.60 : 547,073.10 = 154,411.40 : x
  2. Step 2: Convert to fraction form
    364,766.60/547,073.10 = 154,411.40/x
  3. Step 3: Cross multiply
    364,766.60x = 547,073.10 × 154,411.40
  4. Step 4: Simplify right side
    364,766.60x = 84,474,323,273.34
  5. Step 5: Solve for x
    x = 84,474,323,273.34/364,766.60
  6. Step 6: Final answer
    x = 231,584.59

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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.