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Finding the Fourth Proportional to 313,540.96, 432,692.22 and 177,603.13

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Solution

The fourth proportional to 313,540.96, 432,692.22 and 177,603.13 is: 245,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,540.96 : 432,692.22 = 177,603.13 : x
  2. Step 2: Convert to fraction form
    313,540.96/432,692.22 = 177,603.13/x
  3. Step 3: Cross multiply
    313,540.96x = 432,692.22 × 177,603.13
  4. Step 4: Simplify right side
    313,540.96x = 76,847,491,294.91
  5. Step 5: Solve for x
    x = 76,847,491,294.91/313,540.96
  6. Step 6: Final answer
    x = 245,095.54

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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.