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Finding the Fourth Proportional to 851.52, 1,277.44 and 466.24

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Solution

The fourth proportional to 851.52, 1,277.44 and 466.24 is: 699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851.52 : 1,277.44 = 466.24 : x
  2. Step 2: Convert to fraction form
    851.52/1,277.44 = 466.24/x
  3. Step 3: Cross multiply
    851.52x = 1,277.44 × 466.24
  4. Step 4: Simplify right side
    851.52x = 595,593.63
  5. Step 5: Solve for x
    x = 595,593.63/851.52
  6. Step 6: Final answer
    x = 699.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.