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Finding the Fourth Proportional to 365,254.11, 548,004.21 and 230,161.32

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Solution

The fourth proportional to 365,254.11, 548,004.21 and 230,161.32 is: 345,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,254.11 : 548,004.21 = 230,161.32 : x
  2. Step 2: Convert to fraction form
    365,254.11/548,004.21 = 230,161.32/x
  3. Step 3: Cross multiply
    365,254.11x = 548,004.21 × 230,161.32
  4. Step 4: Simplify right side
    365,254.11x = 126,129,372,339.16
  5. Step 5: Solve for x
    x = 126,129,372,339.16/365,254.11
  6. Step 6: Final answer
    x = 345,319.52

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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.