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Finding the Fourth Proportional to 438,522.82, 605,161.49 and 237,318.82

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Solution

The fourth proportional to 438,522.82, 605,161.49 and 237,318.82 is: 327,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,522.82 : 605,161.49 = 237,318.82 : x
  2. Step 2: Convert to fraction form
    438,522.82/605,161.49 = 237,318.82/x
  3. Step 3: Cross multiply
    438,522.82x = 605,161.49 × 237,318.82
  4. Step 4: Simplify right side
    438,522.82x = 143,616,211,387.41
  5. Step 5: Solve for x
    x = 143,616,211,387.41/438,522.82
  6. Step 6: Final answer
    x = 327,499.97

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1.5x scale

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.