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Finding the Fourth Proportional to 437,694.30, 656,176.95 and 185,168.70

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Solution

The fourth proportional to 437,694.30, 656,176.95 and 185,168.70 is: 277,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,694.30 : 656,176.95 = 185,168.70 : x
  2. Step 2: Convert to fraction form
    437,694.30/656,176.95 = 185,168.70/x
  3. Step 3: Cross multiply
    437,694.30x = 656,176.95 × 185,168.70
  4. Step 4: Simplify right side
    437,694.30x = 121,503,432,801.47
  5. Step 5: Solve for x
    x = 121,503,432,801.47/437,694.30
  6. Step 6: Final answer
    x = 277,598.85

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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.