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Finding the Fourth Proportional to 313,637.14, 432,723.90 and 177,649.48

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Solution

The fourth proportional to 313,637.14, 432,723.90 and 177,649.48 is: 245,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,637.14 : 432,723.90 = 177,649.48 : x
  2. Step 2: Convert to fraction form
    313,637.14/432,723.90 = 177,649.48/x
  3. Step 3: Cross multiply
    313,637.14x = 432,723.90 × 177,649.48
  4. Step 4: Simplify right side
    313,637.14x = 76,873,175,818.57
  5. Step 5: Solve for x
    x = 76,873,175,818.57/313,637.14
  6. Step 6: Final answer
    x = 245,102.27

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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.