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Finding the Fourth Proportional to 284,539.26, 392,630.59 and 169,796.66

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Solution

The fourth proportional to 284,539.26, 392,630.59 and 169,796.66 is: 234,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,539.26 : 392,630.59 = 169,796.66 : x
  2. Step 2: Convert to fraction form
    284,539.26/392,630.59 = 169,796.66/x
  3. Step 3: Cross multiply
    284,539.26x = 392,630.59 × 169,796.66
  4. Step 4: Simplify right side
    284,539.26x = 66,667,361,044.92
  5. Step 5: Solve for x
    x = 66,667,361,044.92/284,539.26
  6. Step 6: Final answer
    x = 234,299.34

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1.5x scale

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.