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Finding the Fourth Proportional to 576.04, 794.92 and 314.05

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Solution

The fourth proportional to 576.04, 794.92 and 314.05 is: 433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.04 : 794.92 = 314.05 : x
  2. Step 2: Convert to fraction form
    576.04/794.92 = 314.05/x
  3. Step 3: Cross multiply
    576.04x = 794.92 × 314.05
  4. Step 4: Simplify right side
    576.04x = 249,644.63
  5. Step 5: Solve for x
    x = 249,644.63/576.04
  6. Step 6: Final answer
    x = 433.38

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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.