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Finding the Fourth Proportional to 624,646.40, 937,033.60 and 203,953.92

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Solution

The fourth proportional to 624,646.40, 937,033.60 and 203,953.92 is: 305,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,646.40 : 937,033.60 = 203,953.92 : x
  2. Step 2: Convert to fraction form
    624,646.40/937,033.60 = 203,953.92/x
  3. Step 3: Cross multiply
    624,646.40x = 937,033.60 × 203,953.92
  4. Step 4: Simplify right side
    624,646.40x = 191,111,675,891.71
  5. Step 5: Solve for x
    x = 191,111,675,891.71/624,646.40
  6. Step 6: Final answer
    x = 305,951.78

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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.