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Finding the Fourth Proportional to 274,359.01, 378,487.55 and 177,594.08

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Solution

The fourth proportional to 274,359.01, 378,487.55 and 177,594.08 is: 244,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359.01 : 378,487.55 = 177,594.08 : x
  2. Step 2: Convert to fraction form
    274,359.01/378,487.55 = 177,594.08/x
  3. Step 3: Cross multiply
    274,359.01x = 378,487.55 × 177,594.08
  4. Step 4: Simplify right side
    274,359.01x = 67,217,145,453.30
  5. Step 5: Solve for x
    x = 67,217,145,453.30/274,359.01
  6. Step 6: Final answer
    x = 244,997.04

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1.5x scale

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.