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Finding the Fourth Proportional to 276,482, 381,545.16 and 157,273.04

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Solution

The fourth proportional to 276,482, 381,545.16 and 157,273.04 is: 217,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,482 : 381,545.16 = 157,273.04 : x
  2. Step 2: Convert to fraction form
    276,482/381,545.16 = 157,273.04/x
  3. Step 3: Cross multiply
    276,482x = 381,545.16 × 157,273.04
  4. Step 4: Simplify right side
    276,482x = 60,006,767,210.49
  5. Step 5: Solve for x
    x = 60,006,767,210.49/276,482
  6. Step 6: Final answer
    x = 217,036.80

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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.