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Finding the Fourth Proportional to 548,490.08, 822,049.56 and 264,127.64

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Solution

The fourth proportional to 548,490.08, 822,049.56 and 264,127.64 is: 395,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,490.08 : 822,049.56 = 264,127.64 : x
  2. Step 2: Convert to fraction form
    548,490.08/822,049.56 = 264,127.64/x
  3. Step 3: Cross multiply
    548,490.08x = 822,049.56 × 264,127.64
  4. Step 4: Simplify right side
    548,490.08x = 217,126,006,135.59
  5. Step 5: Solve for x
    x = 217,126,006,135.59/548,490.08
  6. Step 6: Final answer
    x = 395,861.32

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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.