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Finding the Fourth Proportional to 529.53, 793.38 and 269.49

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Solution

The fourth proportional to 529.53, 793.38 and 269.49 is: 403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.53 : 793.38 = 269.49 : x
  2. Step 2: Convert to fraction form
    529.53/793.38 = 269.49/x
  3. Step 3: Cross multiply
    529.53x = 793.38 × 269.49
  4. Step 4: Simplify right side
    529.53x = 213,807.98
  5. Step 5: Solve for x
    x = 213,807.98/529.53
  6. Step 6: Final answer
    x = 403.77

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1.5x scale

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.