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Finding the Fourth Proportional to 339,023.01, 508,331.52 and 114,378.47

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Solution

The fourth proportional to 339,023.01, 508,331.52 and 114,378.47 is: 171,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,023.01 : 508,331.52 = 114,378.47 : x
  2. Step 2: Convert to fraction form
    339,023.01/508,331.52 = 114,378.47/x
  3. Step 3: Cross multiply
    339,023.01x = 508,331.52 × 114,378.47
  4. Step 4: Simplify right side
    339,023.01x = 58,142,181,510.37
  5. Step 5: Solve for x
    x = 58,142,181,510.37/339,023.01
  6. Step 6: Final answer
    x = 171,499.22

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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.