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Finding the Fourth Proportional to 360,778.74, 541,162.44 and 124,123.47

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Solution

The fourth proportional to 360,778.74, 541,162.44 and 124,123.47 is: 186,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,778.74 : 541,162.44 = 124,123.47 : x
  2. Step 2: Convert to fraction form
    360,778.74/541,162.44 = 124,123.47/x
  3. Step 3: Cross multiply
    360,778.74x = 541,162.44 × 124,123.47
  4. Step 4: Simplify right side
    360,778.74x = 67,170,959,886.47
  5. Step 5: Solve for x
    x = 67,170,959,886.47/360,778.74
  6. Step 6: Final answer
    x = 186,183.25

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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.