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Finding the Fourth Proportional to 329,079.60, 461,761.20 and 329,079.60

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Solution

The fourth proportional to 329,079.60, 461,761.20 and 329,079.60 is: 461,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,079.60 : 461,761.20 = 329,079.60 : x
  2. Step 2: Convert to fraction form
    329,079.60/461,761.20 = 329,079.60/x
  3. Step 3: Cross multiply
    329,079.60x = 461,761.20 × 329,079.60
  4. Step 4: Simplify right side
    329,079.60x = 151,956,190,991.52
  5. Step 5: Solve for x
    x = 151,956,190,991.52/329,079.60
  6. Step 6: Final answer
    x = 461,761.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.