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Finding the Fourth Proportional to 344,294.03, 516,399.91 and 91,593

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Solution

The fourth proportional to 344,294.03, 516,399.91 and 91,593 is: 137,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,294.03 : 516,399.91 = 91,593 : x
  2. Step 2: Convert to fraction form
    344,294.03/516,399.91 = 91,593/x
  3. Step 3: Cross multiply
    344,294.03x = 516,399.91 × 91,593
  4. Step 4: Simplify right side
    344,294.03x = 47,298,616,727.65
  5. Step 5: Solve for x
    x = 47,298,616,727.65/344,294.03
  6. Step 6: Final answer
    x = 137,378.56

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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.