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Finding the Fourth Proportional to 228,770.98, 343,107.66 and 144,418.38

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Solution

The fourth proportional to 228,770.98, 343,107.66 and 144,418.38 is: 216,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,770.98 : 343,107.66 = 144,418.38 : x
  2. Step 2: Convert to fraction form
    228,770.98/343,107.66 = 144,418.38/x
  3. Step 3: Cross multiply
    228,770.98x = 343,107.66 × 144,418.38
  4. Step 4: Simplify right side
    228,770.98x = 49,551,052,422.79
  5. Step 5: Solve for x
    x = 49,551,052,422.79/228,770.98
  6. Step 6: Final answer
    x = 216,596.76

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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.