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Finding the Fourth Proportional to 353,592.24, 487,961.28 and 192,448.32

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Solution

The fourth proportional to 353,592.24, 487,961.28 and 192,448.32 is: 265,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,592.24 : 487,961.28 = 192,448.32 : x
  2. Step 2: Convert to fraction form
    353,592.24/487,961.28 = 192,448.32/x
  3. Step 3: Cross multiply
    353,592.24x = 487,961.28 × 192,448.32
  4. Step 4: Simplify right side
    353,592.24x = 93,907,328,561.05
  5. Step 5: Solve for x
    x = 93,907,328,561.05/353,592.24
  6. Step 6: Final answer
    x = 265,580.85

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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.