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Finding the Fourth Proportional to 353,412.87, 487,698.66 and 192,263.82

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Solution

The fourth proportional to 353,412.87, 487,698.66 and 192,263.82 is: 265,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,412.87 : 487,698.66 = 192,263.82 : x
  2. Step 2: Convert to fraction form
    353,412.87/487,698.66 = 192,263.82/x
  3. Step 3: Cross multiply
    353,412.87x = 487,698.66 × 192,263.82
  4. Step 4: Simplify right side
    353,412.87x = 93,766,807,380.48
  5. Step 5: Solve for x
    x = 93,766,807,380.48/353,412.87
  6. Step 6: Final answer
    x = 265,318.03

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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.