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Finding the Fourth Proportional to 547,559.92, 755,624.73 and 305,845.93

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Solution

The fourth proportional to 547,559.92, 755,624.73 and 305,845.93 is: 422,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,559.92 : 755,624.73 = 305,845.93 : x
  2. Step 2: Convert to fraction form
    547,559.92/755,624.73 = 305,845.93/x
  3. Step 3: Cross multiply
    547,559.92x = 755,624.73 × 305,845.93
  4. Step 4: Simplify right side
    547,559.92x = 231,104,748,277.85
  5. Step 5: Solve for x
    x = 231,104,748,277.85/547,559.92
  6. Step 6: Final answer
    x = 422,062.94

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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.