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Finding the Fourth Proportional to 574,352.09, 792,680.20 and 329,432.39

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Solution

The fourth proportional to 574,352.09, 792,680.20 and 329,432.39 is: 454,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,352.09 : 792,680.20 = 329,432.39 : x
  2. Step 2: Convert to fraction form
    574,352.09/792,680.20 = 329,432.39/x
  3. Step 3: Cross multiply
    574,352.09x = 792,680.20 × 329,432.39
  4. Step 4: Simplify right side
    574,352.09x = 261,134,533,949.80
  5. Step 5: Solve for x
    x = 261,134,533,949.80/574,352.09
  6. Step 6: Final answer
    x = 454,659.32

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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.