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Finding the Fourth Proportional to 329,697.60, 494,467.20 and 93,062.40

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Solution

The fourth proportional to 329,697.60, 494,467.20 and 93,062.40 is: 139,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,697.60 : 494,467.20 = 93,062.40 : x
  2. Step 2: Convert to fraction form
    329,697.60/494,467.20 = 93,062.40/x
  3. Step 3: Cross multiply
    329,697.60x = 494,467.20 × 93,062.40
  4. Step 4: Simplify right side
    329,697.60x = 46,016,304,353.28
  5. Step 5: Solve for x
    x = 46,016,304,353.28/329,697.60
  6. Step 6: Final answer
    x = 139,571.24

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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.