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Finding the Fourth Proportional to 359,040.51, 495,372.92 and 231,788.43

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Solution

The fourth proportional to 359,040.51, 495,372.92 and 231,788.43 is: 319,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,040.51 : 495,372.92 = 231,788.43 : x
  2. Step 2: Convert to fraction form
    359,040.51/495,372.92 = 231,788.43/x
  3. Step 3: Cross multiply
    359,040.51x = 495,372.92 × 231,788.43
  4. Step 4: Simplify right side
    359,040.51x = 114,821,710,232.37
  5. Step 5: Solve for x
    x = 114,821,710,232.37/359,040.51
  6. Step 6: Final answer
    x = 319,801.55

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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.