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Finding the Fourth Proportional to 624,801.89, 937,008.96 and 225,390.53

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Solution

The fourth proportional to 624,801.89, 937,008.96 and 225,390.53 is: 338,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,801.89 : 937,008.96 = 225,390.53 : x
  2. Step 2: Convert to fraction form
    624,801.89/937,008.96 = 225,390.53/x
  3. Step 3: Cross multiply
    624,801.89x = 937,008.96 × 225,390.53
  4. Step 4: Simplify right side
    624,801.89x = 211,192,941,424.10
  5. Step 5: Solve for x
    x = 211,192,941,424.10/624,801.89
  6. Step 6: Final answer
    x = 338,015.85

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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.