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Finding the Fourth Proportional to 270,841.10, 373,756.10 and 149,979.78

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Solution

The fourth proportional to 270,841.10, 373,756.10 and 149,979.78 is: 206,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,841.10 : 373,756.10 = 149,979.78 : x
  2. Step 2: Convert to fraction form
    270,841.10/373,756.10 = 149,979.78/x
  3. Step 3: Cross multiply
    270,841.10x = 373,756.10 × 149,979.78
  4. Step 4: Simplify right side
    270,841.10x = 56,055,856,901.76
  5. Step 5: Solve for x
    x = 56,055,856,901.76/270,841.10
  6. Step 6: Final answer
    x = 206,969.54

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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.