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Finding the Fourth Proportional to 274,059.20, 410,647.20 and 155,377.60

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Solution

The fourth proportional to 274,059.20, 410,647.20 and 155,377.60 is: 232,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,059.20 : 410,647.20 = 155,377.60 : x
  2. Step 2: Convert to fraction form
    274,059.20/410,647.20 = 155,377.60/x
  3. Step 3: Cross multiply
    274,059.20x = 410,647.20 × 155,377.60
  4. Step 4: Simplify right side
    274,059.20x = 63,805,376,382.72
  5. Step 5: Solve for x
    x = 63,805,376,382.72/274,059.20
  6. Step 6: Final answer
    x = 232,816.04

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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.