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Finding the Fourth Proportional to 533,800.08, 800,787.60 and 253,164.24

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Solution

The fourth proportional to 533,800.08, 800,787.60 and 253,164.24 is: 379,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,800.08 : 800,787.60 = 253,164.24 : x
  2. Step 2: Convert to fraction form
    533,800.08/800,787.60 = 253,164.24/x
  3. Step 3: Cross multiply
    533,800.08x = 800,787.60 × 253,164.24
  4. Step 4: Simplify right side
    533,800.08x = 202,730,784,155.42
  5. Step 5: Solve for x
    x = 202,730,784,155.42/533,800.08
  6. Step 6: Final answer
    x = 379,787.85

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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.