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Finding the Fourth Proportional to 239,697.20, 359,934.60 and 173,601.20

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Solution

The fourth proportional to 239,697.20, 359,934.60 and 173,601.20 is: 260,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,697.20 : 359,934.60 = 173,601.20 : x
  2. Step 2: Convert to fraction form
    239,697.20/359,934.60 = 173,601.20/x
  3. Step 3: Cross multiply
    239,697.20x = 359,934.60 × 173,601.20
  4. Step 4: Simplify right side
    239,697.20x = 62,485,078,481.52
  5. Step 5: Solve for x
    x = 62,485,078,481.52/239,697.20
  6. Step 6: Final answer
    x = 260,683.39

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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.