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Finding the Fourth Proportional to 270,689, 373,541.46 and 149,835.56

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Solution

The fourth proportional to 270,689, 373,541.46 and 149,835.56 is: 206,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,689 : 373,541.46 = 149,835.56 : x
  2. Step 2: Convert to fraction form
    270,689/373,541.46 = 149,835.56/x
  3. Step 3: Cross multiply
    270,689x = 373,541.46 × 149,835.56
  4. Step 4: Simplify right side
    270,689x = 55,969,793,842.32
  5. Step 5: Solve for x
    x = 55,969,793,842.32/270,689
  6. Step 6: Final answer
    x = 206,767.89

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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.