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Finding the Fourth Proportional to 353,414.37, 487,700.73 and 192,265.32

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Solution

The fourth proportional to 353,414.37, 487,700.73 and 192,265.32 is: 265,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,414.37 : 487,700.73 = 192,265.32 : x
  2. Step 2: Convert to fraction form
    353,414.37/487,700.73 = 192,265.32/x
  3. Step 3: Cross multiply
    353,414.37x = 487,700.73 × 192,265.32
  4. Step 4: Simplify right side
    353,414.37x = 93,767,936,917.68
  5. Step 5: Solve for x
    x = 93,767,936,917.68/353,414.37
  6. Step 6: Final answer
    x = 265,320.10

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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.