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Finding the Fourth Proportional to 750.73, 1,126.05 and 202.90

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Solution

The fourth proportional to 750.73, 1,126.05 and 202.90 is: 304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.73 : 1,126.05 = 202.90 : x
  2. Step 2: Convert to fraction form
    750.73/1,126.05 = 202.90/x
  3. Step 3: Cross multiply
    750.73x = 1,126.05 × 202.90
  4. Step 4: Simplify right side
    750.73x = 228,475.55
  5. Step 5: Solve for x
    x = 228,475.55/750.73
  6. Step 6: Final answer
    x = 304.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.