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Finding the Fourth Proportional to 699.03, 1,046.52 and 332.91

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Solution

The fourth proportional to 699.03, 1,046.52 and 332.91 is: 498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.03 : 1,046.52 = 332.91 : x
  2. Step 2: Convert to fraction form
    699.03/1,046.52 = 332.91/x
  3. Step 3: Cross multiply
    699.03x = 1,046.52 × 332.91
  4. Step 4: Simplify right side
    699.03x = 348,396.97
  5. Step 5: Solve for x
    x = 348,396.97/699.03
  6. Step 6: Final answer
    x = 498.40

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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.