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Finding the Fourth Proportional to 566,833.36, 782,214.06 and 308,704.48

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Solution

The fourth proportional to 566,833.36, 782,214.06 and 308,704.48 is: 426,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,833.36 : 782,214.06 = 308,704.48 : x
  2. Step 2: Convert to fraction form
    566,833.36/782,214.06 = 308,704.48/x
  3. Step 3: Cross multiply
    566,833.36x = 782,214.06 × 308,704.48
  4. Step 4: Simplify right side
    566,833.36x = 241,472,984,640.99
  5. Step 5: Solve for x
    x = 241,472,984,640.99/566,833.36
  6. Step 6: Final answer
    x = 426,003.48

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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.