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Finding the Fourth Proportional to 284,342.00, 426,511.78 and 115,824.74

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Solution

The fourth proportional to 284,342.00, 426,511.78 and 115,824.74 is: 173,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,342.00 : 426,511.78 = 115,824.74 : x
  2. Step 2: Convert to fraction form
    284,342.00/426,511.78 = 115,824.74/x
  3. Step 3: Cross multiply
    284,342.00x = 426,511.78 × 115,824.74
  4. Step 4: Simplify right side
    284,342.00x = 49,400,613,603.32
  5. Step 5: Solve for x
    x = 49,400,613,603.32/284,342.00
  6. Step 6: Final answer
    x = 173,736.61

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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.