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Finding the Fourth Proportional to 576.24, 795.65 and 451.68

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Solution

The fourth proportional to 576.24, 795.65 and 451.68 is: 623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.24 : 795.65 = 451.68 : x
  2. Step 2: Convert to fraction form
    576.24/795.65 = 451.68/x
  3. Step 3: Cross multiply
    576.24x = 795.65 × 451.68
  4. Step 4: Simplify right side
    576.24x = 359,379.19
  5. Step 5: Solve for x
    x = 359,379.19/576.24
  6. Step 6: Final answer
    x = 623.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.