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Finding the Fourth Proportional to 283,513.44, 391,167.36 and 168,696.12

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Solution

The fourth proportional to 283,513.44, 391,167.36 and 168,696.12 is: 232,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,513.44 : 391,167.36 = 168,696.12 : x
  2. Step 2: Convert to fraction form
    283,513.44/391,167.36 = 168,696.12/x
  3. Step 3: Cross multiply
    283,513.44x = 391,167.36 × 168,696.12
  4. Step 4: Simplify right side
    283,513.44x = 65,988,415,902.64
  5. Step 5: Solve for x
    x = 65,988,415,902.64/283,513.44
  6. Step 6: Final answer
    x = 232,752.34

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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.