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Finding the Fourth Proportional to 274,484.22, 411,867.30 and 207,902.22

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Solution

The fourth proportional to 274,484.22, 411,867.30 and 207,902.22 is: 311,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,484.22 : 411,867.30 = 207,902.22 : x
  2. Step 2: Convert to fraction form
    274,484.22/411,867.30 = 207,902.22/x
  3. Step 3: Cross multiply
    274,484.22x = 411,867.30 × 207,902.22
  4. Step 4: Simplify right side
    274,484.22x = 85,628,126,015.41
  5. Step 5: Solve for x
    x = 85,628,126,015.41/274,484.22
  6. Step 6: Final answer
    x = 311,960.10

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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.