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Finding the Fourth Proportional to 969.41, 1,452.83 and 530.85

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Solution

The fourth proportional to 969.41, 1,452.83 and 530.85 is: 795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.41 : 1,452.83 = 530.85 : x
  2. Step 2: Convert to fraction form
    969.41/1,452.83 = 530.85/x
  3. Step 3: Cross multiply
    969.41x = 1,452.83 × 530.85
  4. Step 4: Simplify right side
    969.41x = 771,232.15
  5. Step 5: Solve for x
    x = 771,232.15/969.41
  6. Step 6: Final answer
    x = 795.57

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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.