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Finding the Fourth Proportional to 552,872.52, 763,199.50 and 371,689.52

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Solution

The fourth proportional to 552,872.52, 763,199.50 and 371,689.52 is: 513,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,872.52 : 763,199.50 = 371,689.52 : x
  2. Step 2: Convert to fraction form
    552,872.52/763,199.50 = 371,689.52/x
  3. Step 3: Cross multiply
    552,872.52x = 763,199.50 × 371,689.52
  4. Step 4: Simplify right side
    552,872.52x = 283,673,255,819.24
  5. Step 5: Solve for x
    x = 283,673,255,819.24/552,872.52
  6. Step 6: Final answer
    x = 513,089.81

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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.