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Finding the Fourth Proportional to 332,844.80, 499,267.20 and 329,345.60

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Solution

The fourth proportional to 332,844.80, 499,267.20 and 329,345.60 is: 494,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,844.80 : 499,267.20 = 329,345.60 : x
  2. Step 2: Convert to fraction form
    332,844.80/499,267.20 = 329,345.60/x
  3. Step 3: Cross multiply
    332,844.80x = 499,267.20 × 329,345.60
  4. Step 4: Simplify right side
    332,844.80x = 164,431,455,544.32
  5. Step 5: Solve for x
    x = 164,431,455,544.32/332,844.80
  6. Step 6: Final answer
    x = 494,018.40

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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.