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Finding the Fourth Proportional to 624,806.87, 937,016.10 and 225,395.46

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Solution

The fourth proportional to 624,806.87, 937,016.10 and 225,395.46 is: 338,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,806.87 : 937,016.10 = 225,395.46 : x
  2. Step 2: Convert to fraction form
    624,806.87/937,016.10 = 225,395.46/x
  3. Step 3: Cross multiply
    624,806.87x = 937,016.10 × 225,395.46
  4. Step 4: Simplify right side
    624,806.87x = 211,199,174,886.91
  5. Step 5: Solve for x
    x = 211,199,174,886.91/624,806.87
  6. Step 6: Final answer
    x = 338,023.13

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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.