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Finding the Fourth Proportional to 360,655.67, 541,011.65 and 120,770.48

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Solution

The fourth proportional to 360,655.67, 541,011.65 and 120,770.48 is: 181,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,655.67 : 541,011.65 = 120,770.48 : x
  2. Step 2: Convert to fraction form
    360,655.67/541,011.65 = 120,770.48/x
  3. Step 3: Cross multiply
    360,655.67x = 541,011.65 × 120,770.48
  4. Step 4: Simplify right side
    360,655.67x = 65,338,236,656.09
  5. Step 5: Solve for x
    x = 65,338,236,656.09/360,655.67
  6. Step 6: Final answer
    x = 181,165.14

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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.