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Finding the Fourth Proportional to 599,085.70, 826,845.05 and 354,060.45

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Solution

The fourth proportional to 599,085.70, 826,845.05 and 354,060.45 is: 488,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,085.70 : 826,845.05 = 354,060.45 : x
  2. Step 2: Convert to fraction form
    599,085.70/826,845.05 = 354,060.45/x
  3. Step 3: Cross multiply
    599,085.70x = 826,845.05 × 354,060.45
  4. Step 4: Simplify right side
    599,085.70x = 292,753,128,712.97
  5. Step 5: Solve for x
    x = 292,753,128,712.97/599,085.70
  6. Step 6: Final answer
    x = 488,666.53

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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.