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Finding the Fourth Proportional to 284,104.72, 425,750.92 and 208,632.88

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Solution

The fourth proportional to 284,104.72, 425,750.92 and 208,632.88 is: 312,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,104.72 : 425,750.92 = 208,632.88 : x
  2. Step 2: Convert to fraction form
    284,104.72/425,750.92 = 208,632.88/x
  3. Step 3: Cross multiply
    284,104.72x = 425,750.92 × 208,632.88
  4. Step 4: Simplify right side
    284,104.72x = 88,825,640,602.25
  5. Step 5: Solve for x
    x = 88,825,640,602.25/284,104.72
  6. Step 6: Final answer
    x = 312,651.06

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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.