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Finding the Fourth Proportional to 452,469.30, 624,415.39 and 248,528.82

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Solution

The fourth proportional to 452,469.30, 624,415.39 and 248,528.82 is: 342,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,469.30 : 624,415.39 = 248,528.82 : x
  2. Step 2: Convert to fraction form
    452,469.30/624,415.39 = 248,528.82/x
  3. Step 3: Cross multiply
    452,469.30x = 624,415.39 × 248,528.82
  4. Step 4: Simplify right side
    452,469.30x = 155,185,220,066.54
  5. Step 5: Solve for x
    x = 155,185,220,066.54/452,469.30
  6. Step 6: Final answer
    x = 342,974.03

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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.