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Finding the Fourth Proportional to 313,848.43, 433,101.72 and 177,894.91

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Solution

The fourth proportional to 313,848.43, 433,101.72 and 177,894.91 is: 245,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,848.43 : 433,101.72 = 177,894.91 : x
  2. Step 2: Convert to fraction form
    313,848.43/433,101.72 = 177,894.91/x
  3. Step 3: Cross multiply
    313,848.43x = 433,101.72 × 177,894.91
  4. Step 4: Simplify right side
    313,848.43x = 77,046,591,500.25
  5. Step 5: Solve for x
    x = 77,046,591,500.25/313,848.43
  6. Step 6: Final answer
    x = 245,489.81

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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.