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Finding the Fourth Proportional to 927,898, 1,391,847 and 227,482

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Solution

The fourth proportional to 927,898, 1,391,847 and 227,482 is: 341,223

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,898 : 1,391,847 = 227,482 : x
  2. Step 2: Convert to fraction form
    927,898/1,391,847 = 227,482/x
  3. Step 3: Cross multiply
    927,898x = 1,391,847 × 227,482
  4. Step 4: Simplify right side
    927,898x = 316,620,139,254
  5. Step 5: Solve for x
    x = 316,620,139,254/927,898
  6. Step 6: Final answer
    x = 341,223

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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.