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Finding the Fourth Proportional to 460,622.88, 690,794.82 and 161,047.62

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Solution

The fourth proportional to 460,622.88, 690,794.82 and 161,047.62 is: 241,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,622.88 : 690,794.82 = 161,047.62 : x
  2. Step 2: Convert to fraction form
    460,622.88/690,794.82 = 161,047.62/x
  3. Step 3: Cross multiply
    460,622.88x = 690,794.82 × 161,047.62
  4. Step 4: Simplify right side
    460,622.88x = 111,250,861,669.33
  5. Step 5: Solve for x
    x = 111,250,861,669.33/460,622.88
  6. Step 6: Final answer
    x = 241,522.66

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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.