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Finding the Fourth Proportional to 334,471.78, 501,544.17 and 233,318.31

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Solution

The fourth proportional to 334,471.78, 501,544.17 and 233,318.31 is: 349,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,471.78 : 501,544.17 = 233,318.31 : x
  2. Step 2: Convert to fraction form
    334,471.78/501,544.17 = 233,318.31/x
  3. Step 3: Cross multiply
    334,471.78x = 501,544.17 × 233,318.31
  4. Step 4: Simplify right side
    334,471.78x = 117,019,436,253.96
  5. Step 5: Solve for x
    x = 117,019,436,253.96/334,471.78
  6. Step 6: Final answer
    x = 349,863.40

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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.