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Finding the Fourth Proportional to 307,605.90, 460,575.09 and 159,550.86

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Solution

The fourth proportional to 307,605.90, 460,575.09 and 159,550.86 is: 238,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,605.90 : 460,575.09 = 159,550.86 : x
  2. Step 2: Convert to fraction form
    307,605.90/460,575.09 = 159,550.86/x
  3. Step 3: Cross multiply
    307,605.90x = 460,575.09 × 159,550.86
  4. Step 4: Simplify right side
    307,605.90x = 73,485,151,704.08
  5. Step 5: Solve for x
    x = 73,485,151,704.08/307,605.90
  6. Step 6: Final answer
    x = 238,893.83

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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.