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Finding the Fourth Proportional to 464,436.56, 640,922.26 and 270,806.91

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Solution

The fourth proportional to 464,436.56, 640,922.26 and 270,806.91 is: 373,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,436.56 : 640,922.26 = 270,806.91 : x
  2. Step 2: Convert to fraction form
    464,436.56/640,922.26 = 270,806.91/x
  3. Step 3: Cross multiply
    464,436.56x = 640,922.26 × 270,806.91
  4. Step 4: Simplify right side
    464,436.56x = 173,566,174,728.58
  5. Step 5: Solve for x
    x = 173,566,174,728.58/464,436.56
  6. Step 6: Final answer
    x = 373,713.42

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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.