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Finding the Fourth Proportional to 308,733.48, 463,321.80 and 131,365.08

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Solution

The fourth proportional to 308,733.48, 463,321.80 and 131,365.08 is: 197,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,733.48 : 463,321.80 = 131,365.08 : x
  2. Step 2: Convert to fraction form
    308,733.48/463,321.80 = 131,365.08/x
  3. Step 3: Cross multiply
    308,733.48x = 463,321.80 × 131,365.08
  4. Step 4: Simplify right side
    308,733.48x = 60,864,305,322.74
  5. Step 5: Solve for x
    x = 60,864,305,322.74/308,733.48
  6. Step 6: Final answer
    x = 197,141.90

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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.