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Finding the Fourth Proportional to 555.50, 833.06 and 190.19

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Solution

The fourth proportional to 555.50, 833.06 and 190.19 is: 285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.50 : 833.06 = 190.19 : x
  2. Step 2: Convert to fraction form
    555.50/833.06 = 190.19/x
  3. Step 3: Cross multiply
    555.50x = 833.06 × 190.19
  4. Step 4: Simplify right side
    555.50x = 158,442.24
  5. Step 5: Solve for x
    x = 158,442.24/555.50
  6. Step 6: Final answer
    x = 285.22

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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.