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Finding the Fourth Proportional to 851.01, 1,275.43 and 466.53

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Solution

The fourth proportional to 851.01, 1,275.43 and 466.53 is: 699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851.01 : 1,275.43 = 466.53 : x
  2. Step 2: Convert to fraction form
    851.01/1,275.43 = 466.53/x
  3. Step 3: Cross multiply
    851.01x = 1,275.43 × 466.53
  4. Step 4: Simplify right side
    851.01x = 595,026.36
  5. Step 5: Solve for x
    x = 595,026.36/851.01
  6. Step 6: Final answer
    x = 699.20

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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.