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Finding the Fourth Proportional to 1,196.48, 1,651.08 and 672.52

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Solution

The fourth proportional to 1,196.48, 1,651.08 and 672.52 is: 928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.48 : 1,651.08 = 672.52 : x
  2. Step 2: Convert to fraction form
    1,196.48/1,651.08 = 672.52/x
  3. Step 3: Cross multiply
    1,196.48x = 1,651.08 × 672.52
  4. Step 4: Simplify right side
    1,196.48x = 1,110,384.32
  5. Step 5: Solve for x
    x = 1,110,384.32/1,196.48
  6. Step 6: Final answer
    x = 928.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.