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Finding the Fourth Proportional to 451,476.88, 622,823.43 and 270,152.29

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Solution

The fourth proportional to 451,476.88, 622,823.43 and 270,152.29 is: 372,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,476.88 : 622,823.43 = 270,152.29 : x
  2. Step 2: Convert to fraction form
    451,476.88/622,823.43 = 270,152.29/x
  3. Step 3: Cross multiply
    451,476.88x = 622,823.43 × 270,152.29
  4. Step 4: Simplify right side
    451,476.88x = 168,257,175,880.16
  5. Step 5: Solve for x
    x = 168,257,175,880.16/451,476.88
  6. Step 6: Final answer
    x = 372,681.71

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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.