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Finding the Fourth Proportional to 424,462.74, 585,426.63 and 263,226.66

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Solution

The fourth proportional to 424,462.74, 585,426.63 and 263,226.66 is: 363,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,462.74 : 585,426.63 = 263,226.66 : x
  2. Step 2: Convert to fraction form
    424,462.74/585,426.63 = 263,226.66/x
  3. Step 3: Cross multiply
    424,462.74x = 585,426.63 × 263,226.66
  4. Step 4: Simplify right side
    424,462.74x = 154,099,896,489.96
  5. Step 5: Solve for x
    x = 154,099,896,489.96/424,462.74
  6. Step 6: Final answer
    x = 363,046.93

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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.