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Finding the Fourth Proportional to 468, 704.70 and 416.88

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Solution

The fourth proportional to 468, 704.70 and 416.88 is: 627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468 : 704.70 = 416.88 : x
  2. Step 2: Convert to fraction form
    468/704.70 = 416.88/x
  3. Step 3: Cross multiply
    468x = 704.70 × 416.88
  4. Step 4: Simplify right side
    468x = 293,775.34
  5. Step 5: Solve for x
    x = 293,775.34/468
  6. Step 6: Final answer
    x = 627.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.