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Finding the Fourth Proportional to 360,819.60, 541,443.16 and 201,029.28

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Solution

The fourth proportional to 360,819.60, 541,443.16 and 201,029.28 is: 301,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,819.60 : 541,443.16 = 201,029.28 : x
  2. Step 2: Convert to fraction form
    360,819.60/541,443.16 = 201,029.28/x
  3. Step 3: Cross multiply
    360,819.60x = 541,443.16 × 201,029.28
  4. Step 4: Simplify right side
    360,819.60x = 108,845,928,615.73
  5. Step 5: Solve for x
    x = 108,845,928,615.73/360,819.60
  6. Step 6: Final answer
    x = 301,663.02

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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.