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Finding the Fourth Proportional to 338,773.30, 508,087.05 and 149,233.30

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Solution

The fourth proportional to 338,773.30, 508,087.05 and 149,233.30 is: 223,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,773.30 : 508,087.05 = 149,233.30 : x
  2. Step 2: Convert to fraction form
    338,773.30/508,087.05 = 149,233.30/x
  3. Step 3: Cross multiply
    338,773.30x = 508,087.05 × 149,233.30
  4. Step 4: Simplify right side
    338,773.30x = 75,823,507,158.77
  5. Step 5: Solve for x
    x = 75,823,507,158.77/338,773.30
  6. Step 6: Final answer
    x = 223,817.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.