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Finding the Fourth Proportional to 284,887.33, 427,355.30 and 74,524.93

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Solution

The fourth proportional to 284,887.33, 427,355.30 and 74,524.93 is: 111,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,887.33 : 427,355.30 = 74,524.93 : x
  2. Step 2: Convert to fraction form
    284,887.33/427,355.30 = 74,524.93/x
  3. Step 3: Cross multiply
    284,887.33x = 427,355.30 × 74,524.93
  4. Step 4: Simplify right side
    284,887.33x = 31,848,623,445.00
  5. Step 5: Solve for x
    x = 31,848,623,445.00/284,887.33
  6. Step 6: Final answer
    x = 111,793.75

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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.