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Finding the Fourth Proportional to 317,236.54, 437,891.11 and 283,606.29

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Solution

The fourth proportional to 317,236.54, 437,891.11 and 283,606.29 is: 391,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,236.54 : 437,891.11 = 283,606.29 : x
  2. Step 2: Convert to fraction form
    317,236.54/437,891.11 = 283,606.29/x
  3. Step 3: Cross multiply
    317,236.54x = 437,891.11 × 283,606.29
  4. Step 4: Simplify right side
    317,236.54x = 124,188,673,131.08
  5. Step 5: Solve for x
    x = 124,188,673,131.08/317,236.54
  6. Step 6: Final answer
    x = 391,470.27

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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.