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Finding the Fourth Proportional to 492,251, 679,306.68 and 265,896.56

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Solution

The fourth proportional to 492,251, 679,306.68 and 265,896.56 is: 366,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,251 : 679,306.68 = 265,896.56 : x
  2. Step 2: Convert to fraction form
    492,251/679,306.68 = 265,896.56/x
  3. Step 3: Cross multiply
    492,251x = 679,306.68 × 265,896.56
  4. Step 4: Simplify right side
    492,251x = 180,625,309,397.02
  5. Step 5: Solve for x
    x = 180,625,309,397.02/492,251
  6. Step 6: Final answer
    x = 366,937.41

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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.