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Finding the Fourth Proportional to 331,008.60, 496,718.10 and 173,350.20

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Solution

The fourth proportional to 331,008.60, 496,718.10 and 173,350.20 is: 260,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,008.60 : 496,718.10 = 173,350.20 : x
  2. Step 2: Convert to fraction form
    331,008.60/496,718.10 = 173,350.20/x
  3. Step 3: Cross multiply
    331,008.60x = 496,718.10 × 173,350.20
  4. Step 4: Simplify right side
    331,008.60x = 86,106,181,978.62
  5. Step 5: Solve for x
    x = 86,106,181,978.62/331,008.60
  6. Step 6: Final answer
    x = 260,132.76

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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.