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Finding the Fourth Proportional to 605,268.82, 906,722.11 and 471,522.84

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Solution

The fourth proportional to 605,268.82, 906,722.11 and 471,522.84 is: 706,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,268.82 : 906,722.11 = 471,522.84 : x
  2. Step 2: Convert to fraction form
    605,268.82/906,722.11 = 471,522.84/x
  3. Step 3: Cross multiply
    605,268.82x = 906,722.11 × 471,522.84
  4. Step 4: Simplify right side
    605,268.82x = 427,540,184,397.99
  5. Step 5: Solve for x
    x = 427,540,184,397.99/605,268.82
  6. Step 6: Final answer
    x = 706,364.13

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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.