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Finding the Fourth Proportional to 276,085.60, 413,909.70 and 151,426.60

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Solution

The fourth proportional to 276,085.60, 413,909.70 and 151,426.60 is: 227,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,085.60 : 413,909.70 = 151,426.60 : x
  2. Step 2: Convert to fraction form
    276,085.60/413,909.70 = 151,426.60/x
  3. Step 3: Cross multiply
    276,085.60x = 413,909.70 × 151,426.60
  4. Step 4: Simplify right side
    276,085.60x = 62,676,938,578.02
  5. Step 5: Solve for x
    x = 62,676,938,578.02/276,085.60
  6. Step 6: Final answer
    x = 227,019.95

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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.