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Finding the Fourth Proportional to 534,170.40, 800,866.80 and 218,464.80

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Solution

The fourth proportional to 534,170.40, 800,866.80 and 218,464.80 is: 327,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,170.40 : 800,866.80 = 218,464.80 : x
  2. Step 2: Convert to fraction form
    534,170.40/800,866.80 = 218,464.80/x
  3. Step 3: Cross multiply
    534,170.40x = 800,866.80 × 218,464.80
  4. Step 4: Simplify right side
    534,170.40x = 174,961,205,288.64
  5. Step 5: Solve for x
    x = 174,961,205,288.64/534,170.40
  6. Step 6: Final answer
    x = 327,538.19

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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.