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Finding the Fourth Proportional to 605,655.72, 835,833.06 and 351,086.76

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Solution

The fourth proportional to 605,655.72, 835,833.06 and 351,086.76 is: 484,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,655.72 : 835,833.06 = 351,086.76 : x
  2. Step 2: Convert to fraction form
    605,655.72/835,833.06 = 351,086.76/x
  3. Step 3: Cross multiply
    605,655.72x = 835,833.06 × 351,086.76
  4. Step 4: Simplify right side
    605,655.72x = 293,449,920,936.29
  5. Step 5: Solve for x
    x = 293,449,920,936.29/605,655.72
  6. Step 6: Final answer
    x = 484,516.06

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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.