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Finding the Fourth Proportional to 1,523.98, 2,284.94 and 549.96

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Solution

The fourth proportional to 1,523.98, 2,284.94 and 549.96 is: 824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.98 : 2,284.94 = 549.96 : x
  2. Step 2: Convert to fraction form
    1,523.98/2,284.94 = 549.96/x
  3. Step 3: Cross multiply
    1,523.98x = 2,284.94 × 549.96
  4. Step 4: Simplify right side
    1,523.98x = 1,256,625.60
  5. Step 5: Solve for x
    x = 1,256,625.60/1,523.98
  6. Step 6: Final answer
    x = 824.57

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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.