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Finding the Fourth Proportional to 307,646.39, 461,469.38 and 157,803.27

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Solution

The fourth proportional to 307,646.39, 461,469.38 and 157,803.27 is: 236,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,646.39 : 461,469.38 = 157,803.27 : x
  2. Step 2: Convert to fraction form
    307,646.39/461,469.38 = 157,803.27/x
  3. Step 3: Cross multiply
    307,646.39x = 461,469.38 × 157,803.27
  4. Step 4: Simplify right side
    307,646.39x = 72,821,376,379.86
  5. Step 5: Solve for x
    x = 72,821,376,379.86/307,646.39
  6. Step 6: Final answer
    x = 236,704.80

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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.