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Finding the Fourth Proportional to 401,463.33, 554,026.50 and 220,173.68

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Solution

The fourth proportional to 401,463.33, 554,026.50 and 220,173.68 is: 303,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,463.33 : 554,026.50 = 220,173.68 : x
  2. Step 2: Convert to fraction form
    401,463.33/554,026.50 = 220,173.68/x
  3. Step 3: Cross multiply
    401,463.33x = 554,026.50 × 220,173.68
  4. Step 4: Simplify right side
    401,463.33x = 121,982,050,552.39
  5. Step 5: Solve for x
    x = 121,982,050,552.39/401,463.33
  6. Step 6: Final answer
    x = 303,843.57

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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.