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Finding the Fourth Proportional to 260,490.67, 359,132.54 and 187,832.76

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Solution

The fourth proportional to 260,490.67, 359,132.54 and 187,832.76 is: 258,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,490.67 : 359,132.54 = 187,832.76 : x
  2. Step 2: Convert to fraction form
    260,490.67/359,132.54 = 187,832.76/x
  3. Step 3: Cross multiply
    260,490.67x = 359,132.54 × 187,832.76
  4. Step 4: Simplify right side
    260,490.67x = 67,456,853,908.10
  5. Step 5: Solve for x
    x = 67,456,853,908.10/260,490.67
  6. Step 6: Final answer
    x = 258,960.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.