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Finding the Fourth Proportional to 250,278.48, 375,414.48 and 60,740.40

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Solution

The fourth proportional to 250,278.48, 375,414.48 and 60,740.40 is: 91,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,278.48 : 375,414.48 = 60,740.40 : x
  2. Step 2: Convert to fraction form
    250,278.48/375,414.48 = 60,740.40/x
  3. Step 3: Cross multiply
    250,278.48x = 375,414.48 × 60,740.40
  4. Step 4: Simplify right side
    250,278.48x = 22,802,825,680.99
  5. Step 5: Solve for x
    x = 22,802,825,680.99/250,278.48
  6. Step 6: Final answer
    x = 91,109.81

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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.