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Finding the Fourth Proportional to 372.02, 557.28 and 295.11

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Solution

The fourth proportional to 372.02, 557.28 and 295.11 is: 442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.02 : 557.28 = 295.11 : x
  2. Step 2: Convert to fraction form
    372.02/557.28 = 295.11/x
  3. Step 3: Cross multiply
    372.02x = 557.28 × 295.11
  4. Step 4: Simplify right side
    372.02x = 164,458.90
  5. Step 5: Solve for x
    x = 164,458.90/372.02
  6. Step 6: Final answer
    x = 442.08

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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.