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Finding the Fourth Proportional to 296.52, 442.76 and 265.47

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Solution

The fourth proportional to 296.52, 442.76 and 265.47 is: 396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.52 : 442.76 = 265.47 : x
  2. Step 2: Convert to fraction form
    296.52/442.76 = 265.47/x
  3. Step 3: Cross multiply
    296.52x = 442.76 × 265.47
  4. Step 4: Simplify right side
    296.52x = 117,539.50
  5. Step 5: Solve for x
    x = 117,539.50/296.52
  6. Step 6: Final answer
    x = 396.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.