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Finding the Fourth Proportional to 552,398.16, 762,195.12 and 322,911.12

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Solution

The fourth proportional to 552,398.16, 762,195.12 and 322,911.12 is: 445,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,398.16 : 762,195.12 = 322,911.12 : x
  2. Step 2: Convert to fraction form
    552,398.16/762,195.12 = 322,911.12/x
  3. Step 3: Cross multiply
    552,398.16x = 762,195.12 × 322,911.12
  4. Step 4: Simplify right side
    552,398.16x = 246,121,279,857.73
  5. Step 5: Solve for x
    x = 246,121,279,857.73/552,398.16
  6. Step 6: Final answer
    x = 445,550.51

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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.