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Finding the Fourth Proportional to 533,938.56, 800,907.60 and 159,961.56

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Solution

The fourth proportional to 533,938.56, 800,907.60 and 159,961.56 is: 239,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,938.56 : 800,907.60 = 159,961.56 : x
  2. Step 2: Convert to fraction form
    533,938.56/800,907.60 = 159,961.56/x
  3. Step 3: Cross multiply
    533,938.56x = 800,907.60 × 159,961.56
  4. Step 4: Simplify right side
    533,938.56x = 128,114,429,111.86
  5. Step 5: Solve for x
    x = 128,114,429,111.86/533,938.56
  6. Step 6: Final answer
    x = 239,942.27

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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.