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Finding the Fourth Proportional to 450,995.50, 676,548.87 and 147,382.48

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Solution

The fourth proportional to 450,995.50, 676,548.87 and 147,382.48 is: 221,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,995.50 : 676,548.87 = 147,382.48 : x
  2. Step 2: Convert to fraction form
    450,995.50/676,548.87 = 147,382.48/x
  3. Step 3: Cross multiply
    450,995.50x = 676,548.87 × 147,382.48
  4. Step 4: Simplify right side
    450,995.50x = 99,711,450,301.80
  5. Step 5: Solve for x
    x = 99,711,450,301.80/450,995.50
  6. Step 6: Final answer
    x = 221,091.90

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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.