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Finding the Fourth Proportional to 1,522.53, 2,285.01 and 549.32

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Solution

The fourth proportional to 1,522.53, 2,285.01 and 549.32 is: 824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.53 : 2,285.01 = 549.32 : x
  2. Step 2: Convert to fraction form
    1,522.53/2,285.01 = 549.32/x
  3. Step 3: Cross multiply
    1,522.53x = 2,285.01 × 549.32
  4. Step 4: Simplify right side
    1,522.53x = 1,255,190.27
  5. Step 5: Solve for x
    x = 1,255,190.27/1,522.53
  6. Step 6: Final answer
    x = 824.41

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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.