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Finding the Fourth Proportional to 295,274, 407,500.02 and 167,990.60

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Solution

The fourth proportional to 295,274, 407,500.02 and 167,990.60 is: 231,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,274 : 407,500.02 = 167,990.60 : x
  2. Step 2: Convert to fraction form
    295,274/407,500.02 = 167,990.60/x
  3. Step 3: Cross multiply
    295,274x = 407,500.02 × 167,990.60
  4. Step 4: Simplify right side
    295,274x = 68,456,172,859.81
  5. Step 5: Solve for x
    x = 68,456,172,859.81/295,274
  6. Step 6: Final answer
    x = 231,839.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.