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Finding the Fourth Proportional to 375,101.78, 562,380.51 and 175,310.42

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Solution

The fourth proportional to 375,101.78, 562,380.51 and 175,310.42 is: 262,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,101.78 : 562,380.51 = 175,310.42 : x
  2. Step 2: Convert to fraction form
    375,101.78/562,380.51 = 175,310.42/x
  3. Step 3: Cross multiply
    375,101.78x = 562,380.51 × 175,310.42
  4. Step 4: Simplify right side
    375,101.78x = 98,591,163,407.91
  5. Step 5: Solve for x
    x = 98,591,163,407.91/375,101.78
  6. Step 6: Final answer
    x = 262,838.43

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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.