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Finding the Fourth Proportional to 276,791.79, 382,000.89 and 169,432.77

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Solution

The fourth proportional to 276,791.79, 382,000.89 and 169,432.77 is: 233,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,791.79 : 382,000.89 = 169,432.77 : x
  2. Step 2: Convert to fraction form
    276,791.79/382,000.89 = 169,432.77/x
  3. Step 3: Cross multiply
    276,791.79x = 382,000.89 × 169,432.77
  4. Step 4: Simplify right side
    276,791.79x = 64,723,466,178.00
  5. Step 5: Solve for x
    x = 64,723,466,178.00/276,791.79
  6. Step 6: Final answer
    x = 233,834.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.