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Finding the Fourth Proportional to 379.08, 569.52 and 242.46

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Solution

The fourth proportional to 379.08, 569.52 and 242.46 is: 364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.08 : 569.52 = 242.46 : x
  2. Step 2: Convert to fraction form
    379.08/569.52 = 242.46/x
  3. Step 3: Cross multiply
    379.08x = 569.52 × 242.46
  4. Step 4: Simplify right side
    379.08x = 138,085.82
  5. Step 5: Solve for x
    x = 138,085.82/379.08
  6. Step 6: Final answer
    x = 364.27

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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.