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Finding the Fourth Proportional to 529,219.04, 730,161.22 and 299,739.92

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Solution

The fourth proportional to 529,219.04, 730,161.22 and 299,739.92 is: 413,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,219.04 : 730,161.22 = 299,739.92 : x
  2. Step 2: Convert to fraction form
    529,219.04/730,161.22 = 299,739.92/x
  3. Step 3: Cross multiply
    529,219.04x = 730,161.22 × 299,739.92
  4. Step 4: Simplify right side
    529,219.04x = 218,858,465,669.90
  5. Step 5: Solve for x
    x = 218,858,465,669.90/529,219.04
  6. Step 6: Final answer
    x = 413,549.87

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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.