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Finding the Fourth Proportional to 925.79, 1,276.97 and 594.62

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Solution

The fourth proportional to 925.79, 1,276.97 and 594.62 is: 820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.79 : 1,276.97 = 594.62 : x
  2. Step 2: Convert to fraction form
    925.79/1,276.97 = 594.62/x
  3. Step 3: Cross multiply
    925.79x = 1,276.97 × 594.62
  4. Step 4: Simplify right side
    925.79x = 759,307.33
  5. Step 5: Solve for x
    x = 759,307.33/925.79
  6. Step 6: Final answer
    x = 820.17

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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.