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Finding the Fourth Proportional to 551,882.13, 761,426.13 and 322,273.80

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Solution

The fourth proportional to 551,882.13, 761,426.13 and 322,273.80 is: 444,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,882.13 : 761,426.13 = 322,273.80 : x
  2. Step 2: Convert to fraction form
    551,882.13/761,426.13 = 322,273.80/x
  3. Step 3: Cross multiply
    551,882.13x = 761,426.13 × 322,273.80
  4. Step 4: Simplify right side
    551,882.13x = 245,387,692,334.39
  5. Step 5: Solve for x
    x = 245,387,692,334.39/551,882.13
  6. Step 6: Final answer
    x = 444,637.87

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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.