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Finding the Fourth Proportional to 335,264.55, 462,475.72 and 199,342.33

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Solution

The fourth proportional to 335,264.55, 462,475.72 and 199,342.33 is: 274,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,264.55 : 462,475.72 = 199,342.33 : x
  2. Step 2: Convert to fraction form
    335,264.55/462,475.72 = 199,342.33/x
  3. Step 3: Cross multiply
    335,264.55x = 462,475.72 × 199,342.33
  4. Step 4: Simplify right side
    335,264.55x = 92,190,988,726.99
  5. Step 5: Solve for x
    x = 92,190,988,726.99/335,264.55
  6. Step 6: Final answer
    x = 274,979.83

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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.