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Finding the Fourth Proportional to 1,197.90, 1,796.85 and 332.22

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Solution

The fourth proportional to 1,197.90, 1,796.85 and 332.22 is: 498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.90 : 1,796.85 = 332.22 : x
  2. Step 2: Convert to fraction form
    1,197.90/1,796.85 = 332.22/x
  3. Step 3: Cross multiply
    1,197.90x = 1,796.85 × 332.22
  4. Step 4: Simplify right side
    1,197.90x = 596,949.51
  5. Step 5: Solve for x
    x = 596,949.51/1,197.90
  6. Step 6: Final answer
    x = 498.33

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1.5x scale

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.