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Finding the Fourth Proportional to 568,896.50, 785,077.16 and 314,247.69

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Solution

The fourth proportional to 568,896.50, 785,077.16 and 314,247.69 is: 433,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,896.50 : 785,077.16 = 314,247.69 : x
  2. Step 2: Convert to fraction form
    568,896.50/785,077.16 = 314,247.69/x
  3. Step 3: Cross multiply
    568,896.50x = 785,077.16 × 314,247.69
  4. Step 4: Simplify right side
    568,896.50x = 246,708,682,430.52
  5. Step 5: Solve for x
    x = 246,708,682,430.52/568,896.50
  6. Step 6: Final answer
    x = 433,661.81

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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.