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Finding the Fourth Proportional to 360,970.80, 541,307.04 and 136,293.12

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Solution

The fourth proportional to 360,970.80, 541,307.04 and 136,293.12 is: 204,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,970.80 : 541,307.04 = 136,293.12 : x
  2. Step 2: Convert to fraction form
    360,970.80/541,307.04 = 136,293.12/x
  3. Step 3: Cross multiply
    360,970.80x = 541,307.04 × 136,293.12
  4. Step 4: Simplify right side
    360,970.80x = 73,776,425,359.56
  5. Step 5: Solve for x
    x = 73,776,425,359.56/360,970.80
  6. Step 6: Final answer
    x = 204,383.36

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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.