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Finding the Fourth Proportional to 624,898.38, 937,348.94 and 225,821

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Solution

The fourth proportional to 624,898.38, 937,348.94 and 225,821 is: 338,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,898.38 : 937,348.94 = 225,821 : x
  2. Step 2: Convert to fraction form
    624,898.38/937,348.94 = 225,821/x
  3. Step 3: Cross multiply
    624,898.38x = 937,348.94 × 225,821
  4. Step 4: Simplify right side
    624,898.38x = 211,673,074,979.74
  5. Step 5: Solve for x
    x = 211,673,074,979.74/624,898.38
  6. Step 6: Final answer
    x = 338,732.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.