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Finding the Fourth Proportional to 1,700.48, 2,551.08 and 547.04

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Solution

The fourth proportional to 1,700.48, 2,551.08 and 547.04 is: 820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.48 : 2,551.08 = 547.04 : x
  2. Step 2: Convert to fraction form
    1,700.48/2,551.08 = 547.04/x
  3. Step 3: Cross multiply
    1,700.48x = 2,551.08 × 547.04
  4. Step 4: Simplify right side
    1,700.48x = 1,395,542.80
  5. Step 5: Solve for x
    x = 1,395,542.80/1,700.48
  6. Step 6: Final answer
    x = 820.68

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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.