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Finding the Fourth Proportional to 2,265.64, 3,398.32 and 622.06

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Solution

The fourth proportional to 2,265.64, 3,398.32 and 622.06 is: 933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.64 : 3,398.32 = 622.06 : x
  2. Step 2: Convert to fraction form
    2,265.64/3,398.32 = 622.06/x
  3. Step 3: Cross multiply
    2,265.64x = 3,398.32 × 622.06
  4. Step 4: Simplify right side
    2,265.64x = 2,113,958.94
  5. Step 5: Solve for x
    x = 2,113,958.94/2,265.64
  6. Step 6: Final answer
    x = 933.05

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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.