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Finding the Fourth Proportional to 370,058.79, 510,693.50 and 226,791.15

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Solution

The fourth proportional to 370,058.79, 510,693.50 and 226,791.15 is: 312,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,058.79 : 510,693.50 = 226,791.15 : x
  2. Step 2: Convert to fraction form
    370,058.79/510,693.50 = 226,791.15/x
  3. Step 3: Cross multiply
    370,058.79x = 510,693.50 × 226,791.15
  4. Step 4: Simplify right side
    370,058.79x = 115,820,765,028.57
  5. Step 5: Solve for x
    x = 115,820,765,028.57/370,058.79
  6. Step 6: Final answer
    x = 312,979.36

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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.