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Finding the Fourth Proportional to 452,605.92, 624,606.48 and 248,660

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Solution

The fourth proportional to 452,605.92, 624,606.48 and 248,660 is: 343,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,605.92 : 624,606.48 = 248,660 : x
  2. Step 2: Convert to fraction form
    452,605.92/624,606.48 = 248,660/x
  3. Step 3: Cross multiply
    452,605.92x = 624,606.48 × 248,660
  4. Step 4: Simplify right side
    452,605.92x = 155,314,647,316.80
  5. Step 5: Solve for x
    x = 155,314,647,316.80/452,605.92
  6. Step 6: Final answer
    x = 343,156.46

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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.