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Finding the Fourth Proportional to 367,193.16, 506,321.82 and 253,819.08

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Solution

The fourth proportional to 367,193.16, 506,321.82 and 253,819.08 is: 349,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,193.16 : 506,321.82 = 253,819.08 : x
  2. Step 2: Convert to fraction form
    367,193.16/506,321.82 = 253,819.08/x
  3. Step 3: Cross multiply
    367,193.16x = 506,321.82 × 253,819.08
  4. Step 4: Simplify right side
    367,193.16x = 128,514,138,536.33
  5. Step 5: Solve for x
    x = 128,514,138,536.33/367,193.16
  6. Step 6: Final answer
    x = 349,990.56

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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.