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Finding the Fourth Proportional to 508,100.31, 701,127.90 and 293,309.57

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Solution

The fourth proportional to 508,100.31, 701,127.90 and 293,309.57 is: 404,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,100.31 : 701,127.90 = 293,309.57 : x
  2. Step 2: Convert to fraction form
    508,100.31/701,127.90 = 293,309.57/x
  3. Step 3: Cross multiply
    508,100.31x = 701,127.90 × 293,309.57
  4. Step 4: Simplify right side
    508,100.31x = 205,647,524,616.82
  5. Step 5: Solve for x
    x = 205,647,524,616.82/508,100.31
  6. Step 6: Final answer
    x = 404,738.04

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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.