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Finding the Fourth Proportional to 452,896.64, 624,990.36 and 248,943.18

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Solution

The fourth proportional to 452,896.64, 624,990.36 and 248,943.18 is: 343,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,896.64 : 624,990.36 = 248,943.18 : x
  2. Step 2: Convert to fraction form
    452,896.64/624,990.36 = 248,943.18/x
  3. Step 3: Cross multiply
    452,896.64x = 624,990.36 × 248,943.18
  4. Step 4: Simplify right side
    452,896.64x = 155,587,087,687.75
  5. Step 5: Solve for x
    x = 155,587,087,687.75/452,896.64
  6. Step 6: Final answer
    x = 343,537.74

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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.