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Finding the Fourth Proportional to 629.84, 943.13 and 532.64

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Solution

The fourth proportional to 629.84, 943.13 and 532.64 is: 797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.84 : 943.13 = 532.64 : x
  2. Step 2: Convert to fraction form
    629.84/943.13 = 532.64/x
  3. Step 3: Cross multiply
    629.84x = 943.13 × 532.64
  4. Step 4: Simplify right side
    629.84x = 502,345.38
  5. Step 5: Solve for x
    x = 502,345.38/629.84
  6. Step 6: Final answer
    x = 797.58

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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.