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Finding the Fourth Proportional to 337,388.72, 465,412.16 and 216,395.44

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Solution

The fourth proportional to 337,388.72, 465,412.16 and 216,395.44 is: 298,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,388.72 : 465,412.16 = 216,395.44 : x
  2. Step 2: Convert to fraction form
    337,388.72/465,412.16 = 216,395.44/x
  3. Step 3: Cross multiply
    337,388.72x = 465,412.16 × 216,395.44
  4. Step 4: Simplify right side
    337,388.72x = 100,713,069,144.55
  5. Step 5: Solve for x
    x = 100,713,069,144.55/337,388.72
  6. Step 6: Final answer
    x = 298,507.52

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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.