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Finding the Fourth Proportional to 337,319.40, 505,655.10 and 195,018.60

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Solution

The fourth proportional to 337,319.40, 505,655.10 and 195,018.60 is: 292,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,319.40 : 505,655.10 = 195,018.60 : x
  2. Step 2: Convert to fraction form
    337,319.40/505,655.10 = 195,018.60/x
  3. Step 3: Cross multiply
    337,319.40x = 505,655.10 × 195,018.60
  4. Step 4: Simplify right side
    337,319.40x = 98,612,149,684.86
  5. Step 5: Solve for x
    x = 98,612,149,684.86/337,319.40
  6. Step 6: Final answer
    x = 292,340.58

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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.