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Finding the Fourth Proportional to 253,291.74, 380,086.80 and 93,480.18

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Solution

The fourth proportional to 253,291.74, 380,086.80 and 93,480.18 is: 140,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,291.74 : 380,086.80 = 93,480.18 : x
  2. Step 2: Convert to fraction form
    253,291.74/380,086.80 = 93,480.18/x
  3. Step 3: Cross multiply
    253,291.74x = 380,086.80 × 93,480.18
  4. Step 4: Simplify right side
    253,291.74x = 35,530,582,479.62
  5. Step 5: Solve for x
    x = 35,530,582,479.62/253,291.74
  6. Step 6: Final answer
    x = 140,275.33

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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.