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Finding the Fourth Proportional to 293,084.40, 438,314.40 and 245,845.20

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Solution

The fourth proportional to 293,084.40, 438,314.40 and 245,845.20 is: 367,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,084.40 : 438,314.40 = 245,845.20 : x
  2. Step 2: Convert to fraction form
    293,084.40/438,314.40 = 245,845.20/x
  3. Step 3: Cross multiply
    293,084.40x = 438,314.40 × 245,845.20
  4. Step 4: Simplify right side
    293,084.40x = 107,757,491,330.88
  5. Step 5: Solve for x
    x = 107,757,491,330.88/293,084.40
  6. Step 6: Final answer
    x = 367,667.10

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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.