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Finding the Fourth Proportional to 313,859.70, 433,117.24 and 177,906.15

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Solution

The fourth proportional to 313,859.70, 433,117.24 and 177,906.15 is: 245,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,859.70 : 433,117.24 = 177,906.15 : x
  2. Step 2: Convert to fraction form
    313,859.70/433,117.24 = 177,906.15/x
  3. Step 3: Cross multiply
    313,859.70x = 433,117.24 × 177,906.15
  4. Step 4: Simplify right side
    313,859.70x = 77,054,220,667.03
  5. Step 5: Solve for x
    x = 77,054,220,667.03/313,859.70
  6. Step 6: Final answer
    x = 245,505.30

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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.