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Finding the Fourth Proportional to 655,804.85, 982,508.41 and 475,443.59

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Solution

The fourth proportional to 655,804.85, 982,508.41 and 475,443.59 is: 712,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,804.85 : 982,508.41 = 475,443.59 : x
  2. Step 2: Convert to fraction form
    655,804.85/982,508.41 = 475,443.59/x
  3. Step 3: Cross multiply
    655,804.85x = 982,508.41 × 475,443.59
  4. Step 4: Simplify right side
    655,804.85x = 467,127,320,743.05
  5. Step 5: Solve for x
    x = 467,127,320,743.05/655,804.85
  6. Step 6: Final answer
    x = 712,296.23

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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.