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Finding the Fourth Proportional to 454,878.76, 682,026.18 and 188,822.92

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Solution

The fourth proportional to 454,878.76, 682,026.18 and 188,822.92 is: 283,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,878.76 : 682,026.18 = 188,822.92 : x
  2. Step 2: Convert to fraction form
    454,878.76/682,026.18 = 188,822.92/x
  3. Step 3: Cross multiply
    454,878.76x = 682,026.18 × 188,822.92
  4. Step 4: Simplify right side
    454,878.76x = 128,782,174,824.05
  5. Step 5: Solve for x
    x = 128,782,174,824.05/454,878.76
  6. Step 6: Final answer
    x = 283,113.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.