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Finding the Fourth Proportional to 533,250.60, 799,991.10 and 159,311.40

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Solution

The fourth proportional to 533,250.60, 799,991.10 and 159,311.40 is: 239,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,250.60 : 799,991.10 = 159,311.40 : x
  2. Step 2: Convert to fraction form
    533,250.60/799,991.10 = 159,311.40/x
  3. Step 3: Cross multiply
    533,250.60x = 799,991.10 × 159,311.40
  4. Step 4: Simplify right side
    533,250.60x = 127,447,702,128.54
  5. Step 5: Solve for x
    x = 127,447,702,128.54/533,250.60
  6. Step 6: Final answer
    x = 239,001.52

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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.