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Finding the Fourth Proportional to 926.14, 1,277.67 and 533.08

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Solution

The fourth proportional to 926.14, 1,277.67 and 533.08 is: 735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.14 : 1,277.67 = 533.08 : x
  2. Step 2: Convert to fraction form
    926.14/1,277.67 = 533.08/x
  3. Step 3: Cross multiply
    926.14x = 1,277.67 × 533.08
  4. Step 4: Simplify right side
    926.14x = 681,100.32
  5. Step 5: Solve for x
    x = 681,100.32/926.14
  6. Step 6: Final answer
    x = 735.42

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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.