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Finding the Fourth Proportional to 344,252.52, 516,378.78 and 122,481

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Solution

The fourth proportional to 344,252.52, 516,378.78 and 122,481 is: 183,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,252.52 : 516,378.78 = 122,481 : x
  2. Step 2: Convert to fraction form
    344,252.52/516,378.78 = 122,481/x
  3. Step 3: Cross multiply
    344,252.52x = 516,378.78 × 122,481
  4. Step 4: Simplify right side
    344,252.52x = 63,246,589,353.18
  5. Step 5: Solve for x
    x = 63,246,589,353.18/344,252.52
  6. Step 6: Final answer
    x = 183,721.50

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1.5x scale

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.