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Finding the Fourth Proportional to 483,610.16, 725,414.33 and 128,624.56

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Solution

The fourth proportional to 483,610.16, 725,414.33 and 128,624.56 is: 192,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,610.16 : 725,414.33 = 128,624.56 : x
  2. Step 2: Convert to fraction form
    483,610.16/725,414.33 = 128,624.56/x
  3. Step 3: Cross multiply
    483,610.16x = 725,414.33 × 128,624.56
  4. Step 4: Simplify right side
    483,610.16x = 93,306,097,521.97
  5. Step 5: Solve for x
    x = 93,306,097,521.97/483,610.16
  6. Step 6: Final answer
    x = 192,936.59

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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.