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Finding the Fourth Proportional to 500.55, 751.11 and 295.50

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Solution

The fourth proportional to 500.55, 751.11 and 295.50 is: 443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.55 : 751.11 = 295.50 : x
  2. Step 2: Convert to fraction form
    500.55/751.11 = 295.50/x
  3. Step 3: Cross multiply
    500.55x = 751.11 × 295.50
  4. Step 4: Simplify right side
    500.55x = 221,953.01
  5. Step 5: Solve for x
    x = 221,953.01/500.55
  6. Step 6: Final answer
    x = 443.42

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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.