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Finding the Fourth Proportional to 360,924.78, 541,416.30 and 111,606.78

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Solution

The fourth proportional to 360,924.78, 541,416.30 and 111,606.78 is: 167,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,924.78 : 541,416.30 = 111,606.78 : x
  2. Step 2: Convert to fraction form
    360,924.78/541,416.30 = 111,606.78/x
  3. Step 3: Cross multiply
    360,924.78x = 541,416.30 × 111,606.78
  4. Step 4: Simplify right side
    360,924.78x = 60,425,729,882.51
  5. Step 5: Solve for x
    x = 60,425,729,882.51/360,924.78
  6. Step 6: Final answer
    x = 167,419.18

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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.