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Finding the Fourth Proportional to 347,084.94, 520,496.01 and 189,227.46

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Solution

The fourth proportional to 347,084.94, 520,496.01 and 189,227.46 is: 283,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,084.94 : 520,496.01 = 189,227.46 : x
  2. Step 2: Convert to fraction form
    347,084.94/520,496.01 = 189,227.46/x
  3. Step 3: Cross multiply
    347,084.94x = 520,496.01 × 189,227.46
  4. Step 4: Simplify right side
    347,084.94x = 98,492,137,912.43
  5. Step 5: Solve for x
    x = 98,492,137,912.43/347,084.94
  6. Step 6: Final answer
    x = 283,769.55

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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.