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Finding the Fourth Proportional to 561,949.92, 775,542.60 and 335,590.56

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Solution

The fourth proportional to 561,949.92, 775,542.60 and 335,590.56 is: 463,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,949.92 : 775,542.60 = 335,590.56 : x
  2. Step 2: Convert to fraction form
    561,949.92/775,542.60 = 335,590.56/x
  3. Step 3: Cross multiply
    561,949.92x = 775,542.60 × 335,590.56
  4. Step 4: Simplify right side
    561,949.92x = 260,264,775,437.86
  5. Step 5: Solve for x
    x = 260,264,775,437.86/561,949.92
  6. Step 6: Final answer
    x = 463,145.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.