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Finding the Fourth Proportional to 467.54, 700.86 and 305.34

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Solution

The fourth proportional to 467.54, 700.86 and 305.34 is: 457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.54 : 700.86 = 305.34 : x
  2. Step 2: Convert to fraction form
    467.54/700.86 = 305.34/x
  3. Step 3: Cross multiply
    467.54x = 700.86 × 305.34
  4. Step 4: Simplify right side
    467.54x = 214,000.59
  5. Step 5: Solve for x
    x = 214,000.59/467.54
  6. Step 6: Final answer
    x = 457.72

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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.