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Finding the Fourth Proportional to 313,304.20, 432,367.48 and 170,063.88

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Solution

The fourth proportional to 313,304.20, 432,367.48 and 170,063.88 is: 234,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,304.20 : 432,367.48 = 170,063.88 : x
  2. Step 2: Convert to fraction form
    313,304.20/432,367.48 = 170,063.88/x
  3. Step 3: Cross multiply
    313,304.20x = 432,367.48 × 170,063.88
  4. Step 4: Simplify right side
    313,304.20x = 73,530,091,234.62
  5. Step 5: Solve for x
    x = 73,530,091,234.62/313,304.20
  6. Step 6: Final answer
    x = 234,692.33

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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.