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Finding the Fourth Proportional to 624,898.51, 937,349.13 and 225,821.13

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Solution

The fourth proportional to 624,898.51, 937,349.13 and 225,821.13 is: 338,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,898.51 : 937,349.13 = 225,821.13 : x
  2. Step 2: Convert to fraction form
    624,898.51/937,349.13 = 225,821.13/x
  3. Step 3: Cross multiply
    624,898.51x = 937,349.13 × 225,821.13
  4. Step 4: Simplify right side
    624,898.51x = 211,673,237,072.89
  5. Step 5: Solve for x
    x = 211,673,237,072.89/624,898.51
  6. Step 6: Final answer
    x = 338,732.19

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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.