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Finding the Fourth Proportional to 629.25, 942.22 and 526.24

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Solution

The fourth proportional to 629.25, 942.22 and 526.24 is: 787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.25 : 942.22 = 526.24 : x
  2. Step 2: Convert to fraction form
    629.25/942.22 = 526.24/x
  3. Step 3: Cross multiply
    629.25x = 942.22 × 526.24
  4. Step 4: Simplify right side
    629.25x = 495,833.85
  5. Step 5: Solve for x
    x = 495,833.85/629.25
  6. Step 6: Final answer
    x = 787.98

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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.