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Finding the Fourth Proportional to 1,197.04, 1,651.88 and 673.08

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Solution

The fourth proportional to 1,197.04, 1,651.88 and 673.08 is: 928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.04 : 1,651.88 = 673.08 : x
  2. Step 2: Convert to fraction form
    1,197.04/1,651.88 = 673.08/x
  3. Step 3: Cross multiply
    1,197.04x = 1,651.88 × 673.08
  4. Step 4: Simplify right side
    1,197.04x = 1,111,847.39
  5. Step 5: Solve for x
    x = 1,111,847.39/1,197.04
  6. Step 6: Final answer
    x = 928.83

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1.5x scale

Why These Related Problems?

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