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Finding the Fourth Proportional to 1,732.71, 2,599.50 and 500.21

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Solution

The fourth proportional to 1,732.71, 2,599.50 and 500.21 is: 750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.71 : 2,599.50 = 500.21 : x
  2. Step 2: Convert to fraction form
    1,732.71/2,599.50 = 500.21/x
  3. Step 3: Cross multiply
    1,732.71x = 2,599.50 × 500.21
  4. Step 4: Simplify right side
    1,732.71x = 1,300,295.90
  5. Step 5: Solve for x
    x = 1,300,295.90/1,732.71
  6. Step 6: Final answer
    x = 750.44

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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.