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Finding the Fourth Proportional to 467.15, 700.50 and 313.25

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Solution

The fourth proportional to 467.15, 700.50 and 313.25 is: 469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.15 : 700.50 = 313.25 : x
  2. Step 2: Convert to fraction form
    467.15/700.50 = 313.25/x
  3. Step 3: Cross multiply
    467.15x = 700.50 × 313.25
  4. Step 4: Simplify right side
    467.15x = 219,431.63
  5. Step 5: Solve for x
    x = 219,431.63/467.15
  6. Step 6: Final answer
    x = 469.72

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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.