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Finding the Fourth Proportional to 548,768.32, 822,466.25 and 264,405.47

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Solution

The fourth proportional to 548,768.32, 822,466.25 and 264,405.47 is: 396,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,768.32 : 822,466.25 = 264,405.47 : x
  2. Step 2: Convert to fraction form
    548,768.32/822,466.25 = 264,405.47/x
  3. Step 3: Cross multiply
    548,768.32x = 822,466.25 × 264,405.47
  4. Step 4: Simplify right side
    548,768.32x = 217,464,572,434.83
  5. Step 5: Solve for x
    x = 217,464,572,434.83/548,768.32
  6. Step 6: Final answer
    x = 396,277.56

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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.