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Finding the Fourth Proportional to 353,355.94, 487,626.06 and 192,212.29

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Solution

The fourth proportional to 353,355.94, 487,626.06 and 192,212.29 is: 265,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,355.94 : 487,626.06 = 192,212.29 : x
  2. Step 2: Convert to fraction form
    353,355.94/487,626.06 = 192,212.29/x
  3. Step 3: Cross multiply
    353,355.94x = 487,626.06 × 192,212.29
  4. Step 4: Simplify right side
    353,355.94x = 93,727,721,656.28
  5. Step 5: Solve for x
    x = 93,727,721,656.28/353,355.94
  6. Step 6: Final answer
    x = 265,250.17

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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.