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Finding the Fourth Proportional to 330,272.59, 495,599.56 and 178,470.18

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Solution

The fourth proportional to 330,272.59, 495,599.56 and 178,470.18 is: 267,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,272.59 : 495,599.56 = 178,470.18 : x
  2. Step 2: Convert to fraction form
    330,272.59/495,599.56 = 178,470.18/x
  3. Step 3: Cross multiply
    330,272.59x = 495,599.56 × 178,470.18
  4. Step 4: Simplify right side
    330,272.59x = 88,449,743,697.03
  5. Step 5: Solve for x
    x = 88,449,743,697.03/330,272.59
  6. Step 6: Final answer
    x = 267,808.31

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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.