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Finding the Fourth Proportional to 533,102.45, 799,793.88 and 191,580.38

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Solution

The fourth proportional to 533,102.45, 799,793.88 and 191,580.38 is: 287,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,102.45 : 799,793.88 = 191,580.38 : x
  2. Step 2: Convert to fraction form
    533,102.45/799,793.88 = 191,580.38/x
  3. Step 3: Cross multiply
    533,102.45x = 799,793.88 × 191,580.38
  4. Step 4: Simplify right side
    533,102.45x = 153,224,811,453.11
  5. Step 5: Solve for x
    x = 153,224,811,453.11/533,102.45
  6. Step 6: Final answer
    x = 287,420.95

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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.