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Finding the Fourth Proportional to 605,265.92, 906,717.78 and 471,519.94

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Solution

The fourth proportional to 605,265.92, 906,717.78 and 471,519.94 is: 706,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,265.92 : 906,717.78 = 471,519.94 : x
  2. Step 2: Convert to fraction form
    605,265.92/906,717.78 = 471,519.94/x
  3. Step 3: Cross multiply
    605,265.92x = 906,717.78 × 471,519.94
  4. Step 4: Simplify right side
    605,265.92x = 427,535,513,222.53
  5. Step 5: Solve for x
    x = 427,535,513,222.53/605,265.92
  6. Step 6: Final answer
    x = 706,359.80

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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.