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Finding the Fourth Proportional to 656,470.88, 984,872.28 and 183,156

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Solution

The fourth proportional to 656,470.88, 984,872.28 and 183,156 is: 274,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,470.88 : 984,872.28 = 183,156 : x
  2. Step 2: Convert to fraction form
    656,470.88/984,872.28 = 183,156/x
  3. Step 3: Cross multiply
    656,470.88x = 984,872.28 × 183,156
  4. Step 4: Simplify right side
    656,470.88x = 180,385,267,315.68
  5. Step 5: Solve for x
    x = 180,385,267,315.68/656,470.88
  6. Step 6: Final answer
    x = 274,780.30

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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.