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Finding the Fourth Proportional to 506.98, 698.62 and 332.02

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Solution

The fourth proportional to 506.98, 698.62 and 332.02 is: 457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.98 : 698.62 = 332.02 : x
  2. Step 2: Convert to fraction form
    506.98/698.62 = 332.02/x
  3. Step 3: Cross multiply
    506.98x = 698.62 × 332.02
  4. Step 4: Simplify right side
    506.98x = 231,955.81
  5. Step 5: Solve for x
    x = 231,955.81/506.98
  6. Step 6: Final answer
    x = 457.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.