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Finding the Fourth Proportional to 337,203.60, 505,724.40 and 194,740.80

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Solution

The fourth proportional to 337,203.60, 505,724.40 and 194,740.80 is: 292,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,203.60 : 505,724.40 = 194,740.80 : x
  2. Step 2: Convert to fraction form
    337,203.60/505,724.40 = 194,740.80/x
  3. Step 3: Cross multiply
    337,203.60x = 505,724.40 × 194,740.80
  4. Step 4: Simplify right side
    337,203.60x = 98,485,174,235.52
  5. Step 5: Solve for x
    x = 98,485,174,235.52/337,203.60
  6. Step 6: Final answer
    x = 292,064.42

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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.