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Finding the Fourth Proportional to 313,435.60, 432,536.60 and 177,466

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Solution

The fourth proportional to 313,435.60, 432,536.60 and 177,466 is: 244,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,435.60 : 432,536.60 = 177,466 : x
  2. Step 2: Convert to fraction form
    313,435.60/432,536.60 = 177,466/x
  3. Step 3: Cross multiply
    313,435.60x = 432,536.60 × 177,466
  4. Step 4: Simplify right side
    313,435.60x = 76,760,540,255.60
  5. Step 5: Solve for x
    x = 76,760,540,255.60/313,435.60
  6. Step 6: Final answer
    x = 244,900.52

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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.