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Finding the Fourth Proportional to 1,044.50, 1,567.29 and 531.50

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Solution

The fourth proportional to 1,044.50, 1,567.29 and 531.50 is: 797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.50 : 1,567.29 = 531.50 : x
  2. Step 2: Convert to fraction form
    1,044.50/1,567.29 = 531.50/x
  3. Step 3: Cross multiply
    1,044.50x = 1,567.29 × 531.50
  4. Step 4: Simplify right side
    1,044.50x = 833,014.64
  5. Step 5: Solve for x
    x = 833,014.64/1,044.50
  6. Step 6: Final answer
    x = 797.52

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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.