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Finding the Fourth Proportional to 270,864.78, 373,855.60 and 180,224.56

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Solution

The fourth proportional to 270,864.78, 373,855.60 and 180,224.56 is: 248,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,864.78 : 373,855.60 = 180,224.56 : x
  2. Step 2: Convert to fraction form
    270,864.78/373,855.60 = 180,224.56/x
  3. Step 3: Cross multiply
    270,864.78x = 373,855.60 × 180,224.56
  4. Step 4: Simplify right side
    270,864.78x = 67,377,961,013.54
  5. Step 5: Solve for x
    x = 67,377,961,013.54/270,864.78
  6. Step 6: Final answer
    x = 248,751.28

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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.