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Finding the Fourth Proportional to 662,581.98, 914,122.98 and 375,936.03

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Solution

The fourth proportional to 662,581.98, 914,122.98 and 375,936.03 is: 518,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,581.98 : 914,122.98 = 375,936.03 : x
  2. Step 2: Convert to fraction form
    662,581.98/914,122.98 = 375,936.03/x
  3. Step 3: Cross multiply
    662,581.98x = 914,122.98 × 375,936.03
  4. Step 4: Simplify right side
    662,581.98x = 343,651,764,032.97
  5. Step 5: Solve for x
    x = 343,651,764,032.97/662,581.98
  6. Step 6: Final answer
    x = 518,655.46

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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.