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Finding the Fourth Proportional to 590,940.80, 885,892.80 and 354,377.60

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Solution

The fourth proportional to 590,940.80, 885,892.80 and 354,377.60 is: 531,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,940.80 : 885,892.80 = 354,377.60 : x
  2. Step 2: Convert to fraction form
    590,940.80/885,892.80 = 354,377.60/x
  3. Step 3: Cross multiply
    590,940.80x = 885,892.80 × 354,377.60
  4. Step 4: Simplify right side
    590,940.80x = 313,940,564,321.28
  5. Step 5: Solve for x
    x = 313,940,564,321.28/590,940.80
  6. Step 6: Final answer
    x = 531,255.52

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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.