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Finding the Fourth Proportional to 533,639.08, 800,458.62 and 253,003.24

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Solution

The fourth proportional to 533,639.08, 800,458.62 and 253,003.24 is: 379,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,639.08 : 800,458.62 = 253,003.24 : x
  2. Step 2: Convert to fraction form
    533,639.08/800,458.62 = 253,003.24/x
  3. Step 3: Cross multiply
    533,639.08x = 800,458.62 × 253,003.24
  4. Step 4: Simplify right side
    533,639.08x = 202,518,624,345.93
  5. Step 5: Solve for x
    x = 202,518,624,345.93/533,639.08
  6. Step 6: Final answer
    x = 379,504.86

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Similar ratio
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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.