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Finding the Fourth Proportional to 666,089.99, 999,463.04 and 311,052.41

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Solution

The fourth proportional to 666,089.99, 999,463.04 and 311,052.41 is: 466,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,089.99 : 999,463.04 = 311,052.41 : x
  2. Step 2: Convert to fraction form
    666,089.99/999,463.04 = 311,052.41/x
  3. Step 3: Cross multiply
    666,089.99x = 999,463.04 × 311,052.41
  4. Step 4: Simplify right side
    666,089.99x = 310,885,380,745.35
  5. Step 5: Solve for x
    x = 310,885,380,745.35/666,089.99
  6. Step 6: Final answer
    x = 466,731.80

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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.