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Finding the Fourth Proportional to 353,782.56, 488,215.68 and 192,637.56

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Solution

The fourth proportional to 353,782.56, 488,215.68 and 192,637.56 is: 265,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,782.56 : 488,215.68 = 192,637.56 : x
  2. Step 2: Convert to fraction form
    353,782.56/488,215.68 = 192,637.56/x
  3. Step 3: Cross multiply
    353,782.56x = 488,215.68 × 192,637.56
  4. Step 4: Simplify right side
    353,782.56x = 94,048,677,348.94
  5. Step 5: Solve for x
    x = 94,048,677,348.94/353,782.56
  6. Step 6: Final answer
    x = 265,837.52

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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.