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Finding the Fourth Proportional to 585,936.20, 878,897.88 and 444,649.38

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Solution

The fourth proportional to 585,936.20, 878,897.88 and 444,649.38 is: 666,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,936.20 : 878,897.88 = 444,649.38 : x
  2. Step 2: Convert to fraction form
    585,936.20/878,897.88 = 444,649.38/x
  3. Step 3: Cross multiply
    585,936.20x = 878,897.88 × 444,649.38
  4. Step 4: Simplify right side
    585,936.20x = 390,801,397,425.31
  5. Step 5: Solve for x
    x = 390,801,397,425.31/585,936.20
  6. Step 6: Final answer
    x = 666,969.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.