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Finding the Fourth Proportional to 349,437.82, 482,072.40 and 222,045.06

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Solution

The fourth proportional to 349,437.82, 482,072.40 and 222,045.06 is: 306,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,437.82 : 482,072.40 = 222,045.06 : x
  2. Step 2: Convert to fraction form
    349,437.82/482,072.40 = 222,045.06/x
  3. Step 3: Cross multiply
    349,437.82x = 482,072.40 × 222,045.06
  4. Step 4: Simplify right side
    349,437.82x = 107,041,794,982.34
  5. Step 5: Solve for x
    x = 107,041,794,982.34/349,437.82
  6. Step 6: Final answer
    x = 306,325.73

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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.