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Finding the Fourth Proportional to 296.10, 444.18 and 260.46

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Solution

The fourth proportional to 296.10, 444.18 and 260.46 is: 390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.10 : 444.18 = 260.46 : x
  2. Step 2: Convert to fraction form
    296.10/444.18 = 260.46/x
  3. Step 3: Cross multiply
    296.10x = 444.18 × 260.46
  4. Step 4: Simplify right side
    296.10x = 115,691.12
  5. Step 5: Solve for x
    x = 115,691.12/296.10
  6. Step 6: Final answer
    x = 390.72

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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.