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Finding the Fourth Proportional to 360,930.40, 541,395.60 and 329,437.60

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Solution

The fourth proportional to 360,930.40, 541,395.60 and 329,437.60 is: 494,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,930.40 : 541,395.60 = 329,437.60 : x
  2. Step 2: Convert to fraction form
    360,930.40/541,395.60 = 329,437.60/x
  3. Step 3: Cross multiply
    360,930.40x = 541,395.60 × 329,437.60
  4. Step 4: Simplify right side
    360,930.40x = 178,356,067,114.56
  5. Step 5: Solve for x
    x = 178,356,067,114.56/360,930.40
  6. Step 6: Final answer
    x = 494,156.40

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1.5x scale

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.