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Finding the Fourth Proportional to 298,236.34, 411,553.82 and 162,270.84

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Solution

The fourth proportional to 298,236.34, 411,553.82 and 162,270.84 is: 223,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,236.34 : 411,553.82 = 162,270.84 : x
  2. Step 2: Convert to fraction form
    298,236.34/411,553.82 = 162,270.84/x
  3. Step 3: Cross multiply
    298,236.34x = 411,553.82 × 162,270.84
  4. Step 4: Simplify right side
    298,236.34x = 66,783,184,076.61
  5. Step 5: Solve for x
    x = 66,783,184,076.61/298,236.34
  6. Step 6: Final answer
    x = 223,927.05

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1.5x scale

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.