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Finding the Fourth Proportional to 329,049.60, 461,719.20 and 329,049.60

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Solution

The fourth proportional to 329,049.60, 461,719.20 and 329,049.60 is: 461,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,049.60 : 461,719.20 = 329,049.60 : x
  2. Step 2: Convert to fraction form
    329,049.60/461,719.20 = 329,049.60/x
  3. Step 3: Cross multiply
    329,049.60x = 461,719.20 × 329,049.60
  4. Step 4: Simplify right side
    329,049.60x = 151,928,518,072.32
  5. Step 5: Solve for x
    x = 151,928,518,072.32/329,049.60
  6. Step 6: Final answer
    x = 461,719.20

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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.