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Finding the Fourth Proportional to 605,707.74, 835,876.73 and 351,206.55

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Solution

The fourth proportional to 605,707.74, 835,876.73 and 351,206.55 is: 484,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,707.74 : 835,876.73 = 351,206.55 : x
  2. Step 2: Convert to fraction form
    605,707.74/835,876.73 = 351,206.55/x
  3. Step 3: Cross multiply
    605,707.74x = 835,876.73 × 351,206.55
  4. Step 4: Simplify right side
    605,707.74x = 293,565,380,812.55
  5. Step 5: Solve for x
    x = 293,565,380,812.55/605,707.74
  6. Step 6: Final answer
    x = 484,665.06

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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.