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Finding the Fourth Proportional to 1,173.75, 1,760.87 and 352.02

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Solution

The fourth proportional to 1,173.75, 1,760.87 and 352.02 is: 528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.75 : 1,760.87 = 352.02 : x
  2. Step 2: Convert to fraction form
    1,173.75/1,760.87 = 352.02/x
  3. Step 3: Cross multiply
    1,173.75x = 1,760.87 × 352.02
  4. Step 4: Simplify right side
    1,173.75x = 619,861.46
  5. Step 5: Solve for x
    x = 619,861.46/1,173.75
  6. Step 6: Final answer
    x = 528.10

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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.