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Finding the Fourth Proportional to 651.16, 976.56 and 467.02

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Solution

The fourth proportional to 651.16, 976.56 and 467.02 is: 700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.16 : 976.56 = 467.02 : x
  2. Step 2: Convert to fraction form
    651.16/976.56 = 467.02/x
  3. Step 3: Cross multiply
    651.16x = 976.56 × 467.02
  4. Step 4: Simplify right side
    651.16x = 456,073.05
  5. Step 5: Solve for x
    x = 456,073.05/651.16
  6. Step 6: Final answer
    x = 700.40

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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.