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Finding the Fourth Proportional to 466,857.80, 699,480.30 and 217,027.40

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Solution

The fourth proportional to 466,857.80, 699,480.30 and 217,027.40 is: 325,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,857.80 : 699,480.30 = 217,027.40 : x
  2. Step 2: Convert to fraction form
    466,857.80/699,480.30 = 217,027.40/x
  3. Step 3: Cross multiply
    466,857.80x = 699,480.30 × 217,027.40
  4. Step 4: Simplify right side
    466,857.80x = 151,806,390,860.22
  5. Step 5: Solve for x
    x = 151,806,390,860.22/466,857.80
  6. Step 6: Final answer
    x = 325,166.23

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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.