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Finding the Fourth Proportional to 1,032.99, 1,549.50 and 263.49

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Solution

The fourth proportional to 1,032.99, 1,549.50 and 263.49 is: 395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.99 : 1,549.50 = 263.49 : x
  2. Step 2: Convert to fraction form
    1,032.99/1,549.50 = 263.49/x
  3. Step 3: Cross multiply
    1,032.99x = 1,549.50 × 263.49
  4. Step 4: Simplify right side
    1,032.99x = 408,270.01
  5. Step 5: Solve for x
    x = 408,270.01/1,032.99
  6. Step 6: Final answer
    x = 395.23

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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.