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Finding the Fourth Proportional to 269,999.20, 404,998.80 and 151,674.40

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Solution

The fourth proportional to 269,999.20, 404,998.80 and 151,674.40 is: 227,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,999.20 : 404,998.80 = 151,674.40 : x
  2. Step 2: Convert to fraction form
    269,999.20/404,998.80 = 151,674.40/x
  3. Step 3: Cross multiply
    269,999.20x = 404,998.80 × 151,674.40
  4. Step 4: Simplify right side
    269,999.20x = 61,427,949,990.72
  5. Step 5: Solve for x
    x = 61,427,949,990.72/269,999.20
  6. Step 6: Final answer
    x = 227,511.60

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1.5x scale

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.