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Finding the Fourth Proportional to 624,840.35, 862,311.08 and 366,728.48

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Solution

The fourth proportional to 624,840.35, 862,311.08 and 366,728.48 is: 506,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,840.35 : 862,311.08 = 366,728.48 : x
  2. Step 2: Convert to fraction form
    624,840.35/862,311.08 = 366,728.48/x
  3. Step 3: Cross multiply
    624,840.35x = 862,311.08 × 366,728.48
  4. Step 4: Simplify right side
    624,840.35x = 316,234,033,352.93
  5. Step 5: Solve for x
    x = 316,234,033,352.93/624,840.35
  6. Step 6: Final answer
    x = 506,103.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.