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Finding the Fourth Proportional to 337,080.57, 505,693.76 and 100,442.31

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Solution

The fourth proportional to 337,080.57, 505,693.76 and 100,442.31 is: 150,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,080.57 : 505,693.76 = 100,442.31 : x
  2. Step 2: Convert to fraction form
    337,080.57/505,693.76 = 100,442.31/x
  3. Step 3: Cross multiply
    337,080.57x = 505,693.76 × 100,442.31
  4. Step 4: Simplify right side
    337,080.57x = 50,793,048,904.77
  5. Step 5: Solve for x
    x = 50,793,048,904.77/337,080.57
  6. Step 6: Final answer
    x = 150,685.19

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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.