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Finding the Fourth Proportional to 436,281.68, 601,822.81 and 261,806.74

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Solution

The fourth proportional to 436,281.68, 601,822.81 and 261,806.74 is: 361,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,281.68 : 601,822.81 = 261,806.74 : x
  2. Step 2: Convert to fraction form
    436,281.68/601,822.81 = 261,806.74/x
  3. Step 3: Cross multiply
    436,281.68x = 601,822.81 × 261,806.74
  4. Step 4: Simplify right side
    436,281.68x = 157,561,267,943.74
  5. Step 5: Solve for x
    x = 157,561,267,943.74/436,281.68
  6. Step 6: Final answer
    x = 361,145.73

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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.