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Finding the Fourth Proportional to 481,094.40, 664,458.56 and 327,868.32

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Solution

The fourth proportional to 481,094.40, 664,458.56 and 327,868.32 is: 452,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,094.40 : 664,458.56 = 327,868.32 : x
  2. Step 2: Convert to fraction form
    481,094.40/664,458.56 = 327,868.32/x
  3. Step 3: Cross multiply
    481,094.40x = 664,458.56 × 327,868.32
  4. Step 4: Simplify right side
    481,094.40x = 217,854,911,776.82
  5. Step 5: Solve for x
    x = 217,854,911,776.82/481,094.40
  6. Step 6: Final answer
    x = 452,831.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.