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Finding the Fourth Proportional to 367,058.80, 550,912.20 and 217,111.60

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Solution

The fourth proportional to 367,058.80, 550,912.20 and 217,111.60 is: 325,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,058.80 : 550,912.20 = 217,111.60 : x
  2. Step 2: Convert to fraction form
    367,058.80/550,912.20 = 217,111.60/x
  3. Step 3: Cross multiply
    367,058.80x = 550,912.20 × 217,111.60
  4. Step 4: Simplify right side
    367,058.80x = 119,609,429,201.52
  5. Step 5: Solve for x
    x = 119,609,429,201.52/367,058.80
  6. Step 6: Final answer
    x = 325,859.04

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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.