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Finding the Fourth Proportional to 1,177.82, 1,767.02 and 591.37

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Solution

The fourth proportional to 1,177.82, 1,767.02 and 591.37 is: 887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.82 : 1,767.02 = 591.37 : x
  2. Step 2: Convert to fraction form
    1,177.82/1,767.02 = 591.37/x
  3. Step 3: Cross multiply
    1,177.82x = 1,767.02 × 591.37
  4. Step 4: Simplify right side
    1,177.82x = 1,044,955.24
  5. Step 5: Solve for x
    x = 1,044,955.24/1,177.82
  6. Step 6: Final answer
    x = 887.20

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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.