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Finding the Fourth Proportional to 479,616.54, 661,872.42 and 264,756.10

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Solution

The fourth proportional to 479,616.54, 661,872.42 and 264,756.10 is: 365,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,616.54 : 661,872.42 = 264,756.10 : x
  2. Step 2: Convert to fraction form
    479,616.54/661,872.42 = 264,756.10/x
  3. Step 3: Cross multiply
    479,616.54x = 661,872.42 × 264,756.10
  4. Step 4: Simplify right side
    479,616.54x = 175,234,755,983.62
  5. Step 5: Solve for x
    x = 175,234,755,983.62/479,616.54
  6. Step 6: Final answer
    x = 365,364.29

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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.