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Finding the Fourth Proportional to 1,173.76, 1,760.60 and 352.06

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Solution

The fourth proportional to 1,173.76, 1,760.60 and 352.06 is: 528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.76 : 1,760.60 = 352.06 : x
  2. Step 2: Convert to fraction form
    1,173.76/1,760.60 = 352.06/x
  3. Step 3: Cross multiply
    1,173.76x = 1,760.60 × 352.06
  4. Step 4: Simplify right side
    1,173.76x = 619,833.31
  5. Step 5: Solve for x
    x = 619,833.31/1,173.76
  6. Step 6: Final answer
    x = 528.08

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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.