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Finding the Fourth Proportional to 552,869.86, 763,195.82 and 371,686.88

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Solution

The fourth proportional to 552,869.86, 763,195.82 and 371,686.88 is: 513,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,869.86 : 763,195.82 = 371,686.88 : x
  2. Step 2: Convert to fraction form
    552,869.86/763,195.82 = 371,686.88/x
  3. Step 3: Cross multiply
    552,869.86x = 763,195.82 × 371,686.88
  4. Step 4: Simplify right side
    552,869.86x = 283,669,873,164.84
  5. Step 5: Solve for x
    x = 283,669,873,164.84/552,869.86
  6. Step 6: Final answer
    x = 513,086.16

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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.