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Finding the Fourth Proportional to 1,171.28, 1,756.08 and 594.56

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Solution

The fourth proportional to 1,171.28, 1,756.08 and 594.56 is: 891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.28 : 1,756.08 = 594.56 : x
  2. Step 2: Convert to fraction form
    1,171.28/1,756.08 = 594.56/x
  3. Step 3: Cross multiply
    1,171.28x = 1,756.08 × 594.56
  4. Step 4: Simplify right side
    1,171.28x = 1,044,094.92
  5. Step 5: Solve for x
    x = 1,044,094.92/1,171.28
  6. Step 6: Final answer
    x = 891.41

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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.