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Finding the Fourth Proportional to 1,144.80, 1,715.76 and 567.52

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Solution

The fourth proportional to 1,144.80, 1,715.76 and 567.52 is: 850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.80 : 1,715.76 = 567.52 : x
  2. Step 2: Convert to fraction form
    1,144.80/1,715.76 = 567.52/x
  3. Step 3: Cross multiply
    1,144.80x = 1,715.76 × 567.52
  4. Step 4: Simplify right side
    1,144.80x = 973,728.12
  5. Step 5: Solve for x
    x = 973,728.12/1,144.80
  6. Step 6: Final answer
    x = 850.57

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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.