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Finding the Fourth Proportional to 619,175.68, 928,605.52 and 192,628.16

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Solution

The fourth proportional to 619,175.68, 928,605.52 and 192,628.16 is: 288,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,175.68 : 928,605.52 = 192,628.16 : x
  2. Step 2: Convert to fraction form
    619,175.68/928,605.52 = 192,628.16/x
  3. Step 3: Cross multiply
    619,175.68x = 928,605.52 × 192,628.16
  4. Step 4: Simplify right side
    619,175.68x = 178,875,572,683.44
  5. Step 5: Solve for x
    x = 178,875,572,683.44/619,175.68
  6. Step 6: Final answer
    x = 288,893.09

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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.