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Finding the Fourth Proportional to 526,305.84, 789,520.44 and 184,644.78

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Solution

The fourth proportional to 526,305.84, 789,520.44 and 184,644.78 is: 276,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,305.84 : 789,520.44 = 184,644.78 : x
  2. Step 2: Convert to fraction form
    526,305.84/789,520.44 = 184,644.78/x
  3. Step 3: Cross multiply
    526,305.84x = 789,520.44 × 184,644.78
  4. Step 4: Simplify right side
    526,305.84x = 145,780,827,949.30
  5. Step 5: Solve for x
    x = 145,780,827,949.30/526,305.84
  6. Step 6: Final answer
    x = 276,988.81

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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.