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Finding the Fourth Proportional to 451,466.88, 623,020.86 and 247,515.36

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Solution

The fourth proportional to 451,466.88, 623,020.86 and 247,515.36 is: 341,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,466.88 : 623,020.86 = 247,515.36 : x
  2. Step 2: Convert to fraction form
    451,466.88/623,020.86 = 247,515.36/x
  3. Step 3: Cross multiply
    451,466.88x = 623,020.86 × 247,515.36
  4. Step 4: Simplify right side
    451,466.88x = 154,207,232,450.41
  5. Step 5: Solve for x
    x = 154,207,232,450.41/451,466.88
  6. Step 6: Final answer
    x = 341,569.31

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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.