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Finding the Fourth Proportional to 922.22, 1,383.49 and 460.02

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Solution

The fourth proportional to 922.22, 1,383.49 and 460.02 is: 690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.22 : 1,383.49 = 460.02 : x
  2. Step 2: Convert to fraction form
    922.22/1,383.49 = 460.02/x
  3. Step 3: Cross multiply
    922.22x = 1,383.49 × 460.02
  4. Step 4: Simplify right side
    922.22x = 636,433.07
  5. Step 5: Solve for x
    x = 636,433.07/922.22
  6. Step 6: Final answer
    x = 690.11

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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.