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Finding the Fourth Proportional to 424,335.27, 585,859.11 and 263,426.74

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Solution

The fourth proportional to 424,335.27, 585,859.11 and 263,426.74 is: 363,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,335.27 : 585,859.11 = 263,426.74 : x
  2. Step 2: Convert to fraction form
    424,335.27/585,859.11 = 263,426.74/x
  3. Step 3: Cross multiply
    424,335.27x = 585,859.11 × 263,426.74
  4. Step 4: Simplify right side
    424,335.27x = 154,330,955,446.60
  5. Step 5: Solve for x
    x = 154,330,955,446.60/424,335.27
  6. Step 6: Final answer
    x = 363,700.51

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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.