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Finding the Fourth Proportional to 441,146.88, 661,782.29 and 174,934.31

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Solution

The fourth proportional to 441,146.88, 661,782.29 and 174,934.31 is: 262,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,146.88 : 661,782.29 = 174,934.31 : x
  2. Step 2: Convert to fraction form
    441,146.88/661,782.29 = 174,934.31/x
  3. Step 3: Cross multiply
    441,146.88x = 661,782.29 × 174,934.31
  4. Step 4: Simplify right side
    441,146.88x = 115,768,424,087.79
  5. Step 5: Solve for x
    x = 115,768,424,087.79/441,146.88
  6. Step 6: Final answer
    x = 262,426.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.