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Finding the Fourth Proportional to 570,535.86, 855,982.83 and 343,093.26

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Solution

The fourth proportional to 570,535.86, 855,982.83 and 343,093.26 is: 514,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,535.86 : 855,982.83 = 343,093.26 : x
  2. Step 2: Convert to fraction form
    570,535.86/855,982.83 = 343,093.26/x
  3. Step 3: Cross multiply
    570,535.86x = 855,982.83 × 343,093.26
  4. Step 4: Simplify right side
    570,535.86x = 293,681,939,648.73
  5. Step 5: Solve for x
    x = 293,681,939,648.73/570,535.86
  6. Step 6: Final answer
    x = 514,747.56

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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.