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Finding the Fourth Proportional to 360,654.17, 541,009.40 and 120,768.98

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Solution

The fourth proportional to 360,654.17, 541,009.40 and 120,768.98 is: 181,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,654.17 : 541,009.40 = 120,768.98 : x
  2. Step 2: Convert to fraction form
    360,654.17/541,009.40 = 120,768.98/x
  3. Step 3: Cross multiply
    360,654.17x = 541,009.40 × 120,768.98
  4. Step 4: Simplify right side
    360,654.17x = 65,337,150,099.52
  5. Step 5: Solve for x
    x = 65,337,150,099.52/360,654.17
  6. Step 6: Final answer
    x = 181,162.89

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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.