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Finding the Fourth Proportional to 988,296.97, 1,363,851 and 535,587.97

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Solution

The fourth proportional to 988,296.97, 1,363,851 and 535,587.97 is: 739,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,296.97 : 1,363,851 = 535,587.97 : x
  2. Step 2: Convert to fraction form
    988,296.97/1,363,851 = 535,587.97/x
  3. Step 3: Cross multiply
    988,296.97x = 1,363,851 × 535,587.97
  4. Step 4: Simplify right side
    988,296.97x = 730,462,188,472.47
  5. Step 5: Solve for x
    x = 730,462,188,472.47/988,296.97
  6. Step 6: Final answer
    x = 739,112.04

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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.