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Finding the Fourth Proportional to 348, 521.57 and 244.73

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Solution

The fourth proportional to 348, 521.57 and 244.73 is: 366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348 : 521.57 = 244.73 : x
  2. Step 2: Convert to fraction form
    348/521.57 = 244.73/x
  3. Step 3: Cross multiply
    348x = 521.57 × 244.73
  4. Step 4: Simplify right side
    348x = 127,641.83
  5. Step 5: Solve for x
    x = 127,641.83/348
  6. Step 6: Final answer
    x = 366.79

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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.