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Finding the Fourth Proportional to 374,950.66, 517,351.89 and 222,036.88

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Solution

The fourth proportional to 374,950.66, 517,351.89 and 222,036.88 is: 306,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,950.66 : 517,351.89 = 222,036.88 : x
  2. Step 2: Convert to fraction form
    374,950.66/517,351.89 = 222,036.88/x
  3. Step 3: Cross multiply
    374,950.66x = 517,351.89 × 222,036.88
  4. Step 4: Simplify right side
    374,950.66x = 114,871,199,517.70
  5. Step 5: Solve for x
    x = 114,871,199,517.70/374,950.66
  6. Step 6: Final answer
    x = 306,363.51

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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.