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Finding the Fourth Proportional to 1,132.00, 1,697.72 and 310.23

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Solution

The fourth proportional to 1,132.00, 1,697.72 and 310.23 is: 465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.00 : 1,697.72 = 310.23 : x
  2. Step 2: Convert to fraction form
    1,132.00/1,697.72 = 310.23/x
  3. Step 3: Cross multiply
    1,132.00x = 1,697.72 × 310.23
  4. Step 4: Simplify right side
    1,132.00x = 526,682.12
  5. Step 5: Solve for x
    x = 526,682.12/1,132.00
  6. Step 6: Final answer
    x = 465.27

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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.