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Finding the Fourth Proportional to 1,162.32, 1,743.48 and 296.63

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Solution

The fourth proportional to 1,162.32, 1,743.48 and 296.63 is: 444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.32 : 1,743.48 = 296.63 : x
  2. Step 2: Convert to fraction form
    1,162.32/1,743.48 = 296.63/x
  3. Step 3: Cross multiply
    1,162.32x = 1,743.48 × 296.63
  4. Step 4: Simplify right side
    1,162.32x = 517,176.66
  5. Step 5: Solve for x
    x = 517,176.66/1,162.32
  6. Step 6: Final answer
    x = 444.95

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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.