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Finding the Fourth Proportional to 617,512.48, 926,251.44 and 196,813.60

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Solution

The fourth proportional to 617,512.48, 926,251.44 and 196,813.60 is: 295,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,512.48 : 926,251.44 = 196,813.60 : x
  2. Step 2: Convert to fraction form
    617,512.48/926,251.44 = 196,813.60/x
  3. Step 3: Cross multiply
    617,512.48x = 926,251.44 × 196,813.60
  4. Step 4: Simplify right side
    617,512.48x = 182,298,880,411.58
  5. Step 5: Solve for x
    x = 182,298,880,411.58/617,512.48
  6. Step 6: Final answer
    x = 295,214.89

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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.