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Finding the Fourth Proportional to 361,817.22, 499,398.62 and 245,727.16

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Solution

The fourth proportional to 361,817.22, 499,398.62 and 245,727.16 is: 339,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,817.22 : 499,398.62 = 245,727.16 : x
  2. Step 2: Convert to fraction form
    361,817.22/499,398.62 = 245,727.16/x
  3. Step 3: Cross multiply
    361,817.22x = 499,398.62 × 245,727.16
  4. Step 4: Simplify right side
    361,817.22x = 122,715,804,600.52
  5. Step 5: Solve for x
    x = 122,715,804,600.52/361,817.22
  6. Step 6: Final answer
    x = 339,165.19

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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.