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Finding the Fourth Proportional to 551,881.40, 827,924.76 and 192,037.28

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Solution

The fourth proportional to 551,881.40, 827,924.76 and 192,037.28 is: 288,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,881.40 : 827,924.76 = 192,037.28 : x
  2. Step 2: Convert to fraction form
    551,881.40/827,924.76 = 192,037.28/x
  3. Step 3: Cross multiply
    551,881.40x = 827,924.76 × 192,037.28
  4. Step 4: Simplify right side
    551,881.40x = 158,992,414,815.43
  5. Step 5: Solve for x
    x = 158,992,414,815.43/551,881.40
  6. Step 6: Final answer
    x = 288,091.64

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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.