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Finding the Fourth Proportional to 681,412.44, 940,336.44 and 375,517.14

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Solution

The fourth proportional to 681,412.44, 940,336.44 and 375,517.14 is: 518,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,412.44 : 940,336.44 = 375,517.14 : x
  2. Step 2: Convert to fraction form
    681,412.44/940,336.44 = 375,517.14/x
  3. Step 3: Cross multiply
    681,412.44x = 940,336.44 × 375,517.14
  4. Step 4: Simplify right side
    681,412.44x = 353,112,450,586.58
  5. Step 5: Solve for x
    x = 353,112,450,586.58/681,412.44
  6. Step 6: Final answer
    x = 518,206.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.