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Finding the Fourth Proportional to 481,574.56, 722,368.90 and 228,880.83

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Solution

The fourth proportional to 481,574.56, 722,368.90 and 228,880.83 is: 343,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,574.56 : 722,368.90 = 228,880.83 : x
  2. Step 2: Convert to fraction form
    481,574.56/722,368.90 = 228,880.83/x
  3. Step 3: Cross multiply
    481,574.56x = 722,368.90 × 228,880.83
  4. Step 4: Simplify right side
    481,574.56x = 165,336,393,398.19
  5. Step 5: Solve for x
    x = 165,336,393,398.19/481,574.56
  6. Step 6: Final answer
    x = 343,324.60

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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.