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Finding the Fourth Proportional to 533,999.20, 746,199.20 and 533,999.20

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Solution

The fourth proportional to 533,999.20, 746,199.20 and 533,999.20 is: 746,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,999.20 : 746,199.20 = 533,999.20 : x
  2. Step 2: Convert to fraction form
    533,999.20/746,199.20 = 533,999.20/x
  3. Step 3: Cross multiply
    533,999.20x = 746,199.20 × 533,999.20
  4. Step 4: Simplify right side
    533,999.20x = 398,469,775,840.64
  5. Step 5: Solve for x
    x = 398,469,775,840.64/533,999.20
  6. Step 6: Final answer
    x = 746,199.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.