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Finding the Fourth Proportional to 662,936.61, 914,874.51 and 372,598.68

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Solution

The fourth proportional to 662,936.61, 914,874.51 and 372,598.68 is: 514,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,936.61 : 914,874.51 = 372,598.68 : x
  2. Step 2: Convert to fraction form
    662,936.61/914,874.51 = 372,598.68/x
  3. Step 3: Cross multiply
    662,936.61x = 914,874.51 × 372,598.68
  4. Step 4: Simplify right side
    662,936.61x = 340,881,034,791.65
  5. Step 5: Solve for x
    x = 340,881,034,791.65/662,936.61
  6. Step 6: Final answer
    x = 514,198.54

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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.