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Finding the Fourth Proportional to 1,254,897.52, 1,731,757.26 and 681,936.46

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Solution

The fourth proportional to 1,254,897.52, 1,731,757.26 and 681,936.46 is: 941,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,897.52 : 1,731,757.26 = 681,936.46 : x
  2. Step 2: Convert to fraction form
    1,254,897.52/1,731,757.26 = 681,936.46/x
  3. Step 3: Cross multiply
    1,254,897.52x = 1,731,757.26 × 681,936.46
  4. Step 4: Simplify right side
    1,254,897.52x = 1,180,948,415,463.70
  5. Step 5: Solve for x
    x = 1,180,948,415,463.70/1,254,897.52
  6. Step 6: Final answer
    x = 941,071.60

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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.