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Finding the Fourth Proportional to 556.01, 833.81 and 190.70

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Solution

The fourth proportional to 556.01, 833.81 and 190.70 is: 285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.01 : 833.81 = 190.70 : x
  2. Step 2: Convert to fraction form
    556.01/833.81 = 190.70/x
  3. Step 3: Cross multiply
    556.01x = 833.81 × 190.70
  4. Step 4: Simplify right side
    556.01x = 159,007.57
  5. Step 5: Solve for x
    x = 159,007.57/556.01
  6. Step 6: Final answer
    x = 285.98

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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.