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Finding the Fourth Proportional to 624,803.92, 937,217.40 and 225,474.64

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Solution

The fourth proportional to 624,803.92, 937,217.40 and 225,474.64 is: 338,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,803.92 : 937,217.40 = 225,474.64 : x
  2. Step 2: Convert to fraction form
    624,803.92/937,217.40 = 225,474.64/x
  3. Step 3: Cross multiply
    624,803.92x = 937,217.40 × 225,474.64
  4. Step 4: Simplify right side
    624,803.92x = 211,318,755,866.74
  5. Step 5: Solve for x
    x = 211,318,755,866.74/624,803.92
  6. Step 6: Final answer
    x = 338,216.12

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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.