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Finding the Fourth Proportional to 375,537.97, 518,242.66 and 222,651.59

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Solution

The fourth proportional to 375,537.97, 518,242.66 and 222,651.59 is: 307,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,537.97 : 518,242.66 = 222,651.59 : x
  2. Step 2: Convert to fraction form
    375,537.97/518,242.66 = 222,651.59/x
  3. Step 3: Cross multiply
    375,537.97x = 518,242.66 × 222,651.59
  4. Step 4: Simplify right side
    375,537.97x = 115,387,549,106.99
  5. Step 5: Solve for x
    x = 115,387,549,106.99/375,537.97
  6. Step 6: Final answer
    x = 307,259.34

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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.