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Finding the Fourth Proportional to 295.83, 443.24 and 288.66

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Solution

The fourth proportional to 295.83, 443.24 and 288.66 is: 432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.83 : 443.24 = 288.66 : x
  2. Step 2: Convert to fraction form
    295.83/443.24 = 288.66/x
  3. Step 3: Cross multiply
    295.83x = 443.24 × 288.66
  4. Step 4: Simplify right side
    295.83x = 127,944.22
  5. Step 5: Solve for x
    x = 127,944.22/295.83
  6. Step 6: Final answer
    x = 432.49

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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.