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Finding the Fourth Proportional to 235,621.60, 353,432.40 and 179,634.40

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Solution

The fourth proportional to 235,621.60, 353,432.40 and 179,634.40 is: 269,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,621.60 : 353,432.40 = 179,634.40 : x
  2. Step 2: Convert to fraction form
    235,621.60/353,432.40 = 179,634.40/x
  3. Step 3: Cross multiply
    235,621.60x = 353,432.40 × 179,634.40
  4. Step 4: Simplify right side
    235,621.60x = 63,488,617,114.56
  5. Step 5: Solve for x
    x = 63,488,617,114.56/235,621.60
  6. Step 6: Final answer
    x = 269,451.60

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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.