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Finding the Fourth Proportional to 548,992.32, 822,934.08 and 264,264.72

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Solution

The fourth proportional to 548,992.32, 822,934.08 and 264,264.72 is: 396,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,992.32 : 822,934.08 = 264,264.72 : x
  2. Step 2: Convert to fraction form
    548,992.32/822,934.08 = 264,264.72/x
  3. Step 3: Cross multiply
    548,992.32x = 822,934.08 × 264,264.72
  4. Step 4: Simplify right side
    548,992.32x = 217,472,444,229.66
  5. Step 5: Solve for x
    x = 217,472,444,229.66/548,992.32
  6. Step 6: Final answer
    x = 396,130.21

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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.