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Finding the Fourth Proportional to 313,690.14, 432,797.04 and 177,702.48

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Solution

The fourth proportional to 313,690.14, 432,797.04 and 177,702.48 is: 245,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,690.14 : 432,797.04 = 177,702.48 : x
  2. Step 2: Convert to fraction form
    313,690.14/432,797.04 = 177,702.48/x
  3. Step 3: Cross multiply
    313,690.14x = 432,797.04 × 177,702.48
  4. Step 4: Simplify right side
    313,690.14x = 76,909,107,344.66
  5. Step 5: Solve for x
    x = 76,909,107,344.66/313,690.14
  6. Step 6: Final answer
    x = 245,175.41

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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.