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Finding the Fourth Proportional to 281,595.98, 422,394.10 and 68,364.17

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Solution

The fourth proportional to 281,595.98, 422,394.10 and 68,364.17 is: 102,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,595.98 : 422,394.10 = 68,364.17 : x
  2. Step 2: Convert to fraction form
    281,595.98/422,394.10 = 68,364.17/x
  3. Step 3: Cross multiply
    281,595.98x = 422,394.10 × 68,364.17
  4. Step 4: Simplify right side
    281,595.98x = 28,876,619,605.61
  5. Step 5: Solve for x
    x = 28,876,619,605.61/281,595.98
  6. Step 6: Final answer
    x = 102,546.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.