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Finding the Fourth Proportional to 624,980.60, 937,472.04 and 225,903.12

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Solution

The fourth proportional to 624,980.60, 937,472.04 and 225,903.12 is: 338,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,980.60 : 937,472.04 = 225,903.12 : x
  2. Step 2: Convert to fraction form
    624,980.60/937,472.04 = 225,903.12/x
  3. Step 3: Cross multiply
    624,980.60x = 937,472.04 × 225,903.12
  4. Step 4: Simplify right side
    624,980.60x = 211,777,858,748.77
  5. Step 5: Solve for x
    x = 211,777,858,748.77/624,980.60
  6. Step 6: Final answer
    x = 338,855.09

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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.