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Finding the Fourth Proportional to 436,699.32, 654,611.70 and 184,040.76

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Solution

The fourth proportional to 436,699.32, 654,611.70 and 184,040.76 is: 275,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,699.32 : 654,611.70 = 184,040.76 : x
  2. Step 2: Convert to fraction form
    436,699.32/654,611.70 = 184,040.76/x
  3. Step 3: Cross multiply
    436,699.32x = 654,611.70 × 184,040.76
  4. Step 4: Simplify right side
    436,699.32x = 120,475,234,772.89
  5. Step 5: Solve for x
    x = 120,475,234,772.89/436,699.32
  6. Step 6: Final answer
    x = 275,876.85

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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.