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Finding the Fourth Proportional to 465.98, 698.92 and 283.32

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Solution

The fourth proportional to 465.98, 698.92 and 283.32 is: 424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.98 : 698.92 = 283.32 : x
  2. Step 2: Convert to fraction form
    465.98/698.92 = 283.32/x
  3. Step 3: Cross multiply
    465.98x = 698.92 × 283.32
  4. Step 4: Simplify right side
    465.98x = 198,018.01
  5. Step 5: Solve for x
    x = 198,018.01/465.98
  6. Step 6: Final answer
    x = 424.95

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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.