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Finding the Fourth Proportional to 270,672.74, 406,007.28 and 211,558.13

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Solution

The fourth proportional to 270,672.74, 406,007.28 and 211,558.13 is: 317,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,672.74 : 406,007.28 = 211,558.13 : x
  2. Step 2: Convert to fraction form
    270,672.74/406,007.28 = 211,558.13/x
  3. Step 3: Cross multiply
    270,672.74x = 406,007.28 × 211,558.13
  4. Step 4: Simplify right side
    270,672.74x = 85,894,138,893.15
  5. Step 5: Solve for x
    x = 85,894,138,893.15/270,672.74
  6. Step 6: Final answer
    x = 317,335.76

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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.