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Finding the Fourth Proportional to 304,793.31, 457,485.22 and 147,132.48

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Solution

The fourth proportional to 304,793.31, 457,485.22 and 147,132.48 is: 220,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,793.31 : 457,485.22 = 147,132.48 : x
  2. Step 2: Convert to fraction form
    304,793.31/457,485.22 = 147,132.48/x
  3. Step 3: Cross multiply
    304,793.31x = 457,485.22 × 147,132.48
  4. Step 4: Simplify right side
    304,793.31x = 67,310,936,053.81
  5. Step 5: Solve for x
    x = 67,310,936,053.81/304,793.31
  6. Step 6: Final answer
    x = 220,841.25

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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.