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Finding the Fourth Proportional to 576.13, 795.05 and 314.14

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Solution

The fourth proportional to 576.13, 795.05 and 314.14 is: 433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.13 : 795.05 = 314.14 : x
  2. Step 2: Convert to fraction form
    576.13/795.05 = 314.14/x
  3. Step 3: Cross multiply
    576.13x = 795.05 × 314.14
  4. Step 4: Simplify right side
    576.13x = 249,758.79
  5. Step 5: Solve for x
    x = 249,758.79/576.13
  6. Step 6: Final answer
    x = 433.51

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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.