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Finding the Fourth Proportional to 329,488.80, 493,844.40 and 246,285.60

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Solution

The fourth proportional to 329,488.80, 493,844.40 and 246,285.60 is: 369,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,488.80 : 493,844.40 = 246,285.60 : x
  2. Step 2: Convert to fraction form
    329,488.80/493,844.40 = 246,285.60/x
  3. Step 3: Cross multiply
    329,488.80x = 493,844.40 × 246,285.60
  4. Step 4: Simplify right side
    329,488.80x = 121,626,764,360.64
  5. Step 5: Solve for x
    x = 121,626,764,360.64/329,488.80
  6. Step 6: Final answer
    x = 369,137.78

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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.