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Finding the Fourth Proportional to 605,267.82, 906,720.61 and 471,521.84

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Solution

The fourth proportional to 605,267.82, 906,720.61 and 471,521.84 is: 706,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,267.82 : 906,720.61 = 471,521.84 : x
  2. Step 2: Convert to fraction form
    605,267.82/906,720.61 = 471,521.84/x
  3. Step 3: Cross multiply
    605,267.82x = 906,720.61 × 471,521.84
  4. Step 4: Simplify right side
    605,267.82x = 427,538,570,393.12
  5. Step 5: Solve for x
    x = 427,538,570,393.12/605,267.82
  6. Step 6: Final answer
    x = 706,362.63

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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.