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Finding the Fourth Proportional to 403,247.60, 604,846.92 and 178,542.56

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Solution

The fourth proportional to 403,247.60, 604,846.92 and 178,542.56 is: 267,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,247.60 : 604,846.92 = 178,542.56 : x
  2. Step 2: Convert to fraction form
    403,247.60/604,846.92 = 178,542.56/x
  3. Step 3: Cross multiply
    403,247.60x = 604,846.92 × 178,542.56
  4. Step 4: Simplify right side
    403,247.60x = 107,990,917,504.92
  5. Step 5: Solve for x
    x = 107,990,917,504.92/403,247.60
  6. Step 6: Final answer
    x = 267,803.00

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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.