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Finding the Fourth Proportional to 360,060.67, 539,972.27 and 120,108.45

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Solution

The fourth proportional to 360,060.67, 539,972.27 and 120,108.45 is: 180,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,060.67 : 539,972.27 = 120,108.45 : x
  2. Step 2: Convert to fraction form
    360,060.67/539,972.27 = 120,108.45/x
  3. Step 3: Cross multiply
    360,060.67x = 539,972.27 × 120,108.45
  4. Step 4: Simplify right side
    360,060.67x = 64,855,230,387.04
  5. Step 5: Solve for x
    x = 64,855,230,387.04/360,060.67
  6. Step 6: Final answer
    x = 180,123.06

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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.