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Finding the Fourth Proportional to 587,222.23, 880,851.62 and 279,406.76

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Solution

The fourth proportional to 587,222.23, 880,851.62 and 279,406.76 is: 419,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,222.23 : 880,851.62 = 279,406.76 : x
  2. Step 2: Convert to fraction form
    587,222.23/880,851.62 = 279,406.76/x
  3. Step 3: Cross multiply
    587,222.23x = 880,851.62 × 279,406.76
  4. Step 4: Simplify right side
    587,222.23x = 246,115,895,787.92
  5. Step 5: Solve for x
    x = 246,115,895,787.92/587,222.23
  6. Step 6: Final answer
    x = 419,118.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.