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Finding the Fourth Proportional to 465.62, 698.16 and 283.10

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Solution

The fourth proportional to 465.62, 698.16 and 283.10 is: 424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.62 : 698.16 = 283.10 : x
  2. Step 2: Convert to fraction form
    465.62/698.16 = 283.10/x
  3. Step 3: Cross multiply
    465.62x = 698.16 × 283.10
  4. Step 4: Simplify right side
    465.62x = 197,649.10
  5. Step 5: Solve for x
    x = 197,649.10/465.62
  6. Step 6: Final answer
    x = 424.49

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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.