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Finding the Fourth Proportional to 1,450.52, 2,175.07 and 525.94

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Solution

The fourth proportional to 1,450.52, 2,175.07 and 525.94 is: 788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.52 : 2,175.07 = 525.94 : x
  2. Step 2: Convert to fraction form
    1,450.52/2,175.07 = 525.94/x
  3. Step 3: Cross multiply
    1,450.52x = 2,175.07 × 525.94
  4. Step 4: Simplify right side
    1,450.52x = 1,143,950.97
  5. Step 5: Solve for x
    x = 1,143,950.97/1,450.52
  6. Step 6: Final answer
    x = 788.65

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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.