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Finding the Fourth Proportional to 313,361.92, 432,410.88 and 179,223.04

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Solution

The fourth proportional to 313,361.92, 432,410.88 and 179,223.04 is: 247,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,361.92 : 432,410.88 = 179,223.04 : x
  2. Step 2: Convert to fraction form
    313,361.92/432,410.88 = 179,223.04/x
  3. Step 3: Cross multiply
    313,361.92x = 432,410.88 × 179,223.04
  4. Step 4: Simplify right side
    313,361.92x = 77,497,992,442.68
  5. Step 5: Solve for x
    x = 77,497,992,442.68/313,361.92
  6. Step 6: Final answer
    x = 247,311.46

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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.