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Finding the Fourth Proportional to 220,233.30, 308,948.70 and 220,233.30

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Solution

The fourth proportional to 220,233.30, 308,948.70 and 220,233.30 is: 308,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,233.30 : 308,948.70 = 220,233.30 : x
  2. Step 2: Convert to fraction form
    220,233.30/308,948.70 = 220,233.30/x
  3. Step 3: Cross multiply
    220,233.30x = 308,948.70 × 220,233.30
  4. Step 4: Simplify right side
    220,233.30x = 68,040,791,731.71
  5. Step 5: Solve for x
    x = 68,040,791,731.71/220,233.30
  6. Step 6: Final answer
    x = 308,948.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.