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Finding the Fourth Proportional to 431,514.54, 595,476.36 and 270,456.57

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Solution

The fourth proportional to 431,514.54, 595,476.36 and 270,456.57 is: 373,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,514.54 : 595,476.36 = 270,456.57 : x
  2. Step 2: Convert to fraction form
    431,514.54/595,476.36 = 270,456.57/x
  3. Step 3: Cross multiply
    431,514.54x = 595,476.36 × 270,456.57
  4. Step 4: Simplify right side
    431,514.54x = 161,050,493,841.69
  5. Step 5: Solve for x
    x = 161,050,493,841.69/431,514.54
  6. Step 6: Final answer
    x = 373,221.48

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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.