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Finding the Fourth Proportional to 262,580.54, 393,838.00 and 73,055.12

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Solution

The fourth proportional to 262,580.54, 393,838.00 and 73,055.12 is: 109,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,580.54 : 393,838.00 = 73,055.12 : x
  2. Step 2: Convert to fraction form
    262,580.54/393,838.00 = 73,055.12/x
  3. Step 3: Cross multiply
    262,580.54x = 393,838.00 × 73,055.12
  4. Step 4: Simplify right side
    262,580.54x = 28,771,880,198.73
  5. Step 5: Solve for x
    x = 28,771,880,198.73/262,580.54
  6. Step 6: Final answer
    x = 109,573.55

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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.