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Finding the Fourth Proportional to 926.36, 1,278.49 and 594.67

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Solution

The fourth proportional to 926.36, 1,278.49 and 594.67 is: 820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.36 : 1,278.49 = 594.67 : x
  2. Step 2: Convert to fraction form
    926.36/1,278.49 = 594.67/x
  3. Step 3: Cross multiply
    926.36x = 1,278.49 × 594.67
  4. Step 4: Simplify right side
    926.36x = 760,273.26
  5. Step 5: Solve for x
    x = 760,273.26/926.36
  6. Step 6: Final answer
    x = 820.71

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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.