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Finding the Fourth Proportional to 337,098.60, 505,842.30 and 126,887.40

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Solution

The fourth proportional to 337,098.60, 505,842.30 and 126,887.40 is: 190,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,098.60 : 505,842.30 = 126,887.40 : x
  2. Step 2: Convert to fraction form
    337,098.60/505,842.30 = 126,887.40/x
  3. Step 3: Cross multiply
    337,098.60x = 505,842.30 × 126,887.40
  4. Step 4: Simplify right side
    337,098.60x = 64,185,014,257.02
  5. Step 5: Solve for x
    x = 64,185,014,257.02/337,098.60
  6. Step 6: Final answer
    x = 190,404.27

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1.5x scale

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.