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Finding the Fourth Proportional to 392,003.52, 541,130.34 and 264,851.34

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Solution

The fourth proportional to 392,003.52, 541,130.34 and 264,851.34 is: 365,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,003.52 : 541,130.34 = 264,851.34 : x
  2. Step 2: Convert to fraction form
    392,003.52/541,130.34 = 264,851.34/x
  3. Step 3: Cross multiply
    392,003.52x = 541,130.34 × 264,851.34
  4. Step 4: Simplify right side
    392,003.52x = 143,319,095,663.66
  5. Step 5: Solve for x
    x = 143,319,095,663.66/392,003.52
  6. Step 6: Final answer
    x = 365,606.65

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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.