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Finding the Fourth Proportional to 624,231.66, 861,443.70 and 366,056.04

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Solution

The fourth proportional to 624,231.66, 861,443.70 and 366,056.04 is: 505,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,231.66 : 861,443.70 = 366,056.04 : x
  2. Step 2: Convert to fraction form
    624,231.66/861,443.70 = 366,056.04/x
  3. Step 3: Cross multiply
    624,231.66x = 861,443.70 × 366,056.04
  4. Step 4: Simplify right side
    624,231.66x = 315,336,669,504.95
  5. Step 5: Solve for x
    x = 315,336,669,504.95/624,231.66
  6. Step 6: Final answer
    x = 505,159.69

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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.