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Finding the Fourth Proportional to 276,612.84, 381,773.52 and 160,310.07

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Solution

The fourth proportional to 276,612.84, 381,773.52 and 160,310.07 is: 221,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,612.84 : 381,773.52 = 160,310.07 : x
  2. Step 2: Convert to fraction form
    276,612.84/381,773.52 = 160,310.07/x
  3. Step 3: Cross multiply
    276,612.84x = 381,773.52 × 160,310.07
  4. Step 4: Simplify right side
    276,612.84x = 61,202,139,715.35
  5. Step 5: Solve for x
    x = 61,202,139,715.35/276,612.84
  6. Step 6: Final answer
    x = 221,255.60

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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.