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Finding the Fourth Proportional to 293,571.02, 439,608.84 and 193,427.69

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Solution

The fourth proportional to 293,571.02, 439,608.84 and 193,427.69 is: 289,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,571.02 : 439,608.84 = 193,427.69 : x
  2. Step 2: Convert to fraction form
    293,571.02/439,608.84 = 193,427.69/x
  3. Step 3: Cross multiply
    293,571.02x = 439,608.84 × 193,427.69
  4. Step 4: Simplify right side
    293,571.02x = 85,032,520,226.74
  5. Step 5: Solve for x
    x = 85,032,520,226.74/293,571.02
  6. Step 6: Final answer
    x = 289,648.90

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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.