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Finding the Fourth Proportional to 273,643.44, 410,668.32 and 207,167.28

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Solution

The fourth proportional to 273,643.44, 410,668.32 and 207,167.28 is: 310,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,643.44 : 410,668.32 = 207,167.28 : x
  2. Step 2: Convert to fraction form
    273,643.44/410,668.32 = 207,167.28/x
  3. Step 3: Cross multiply
    273,643.44x = 410,668.32 × 207,167.28
  4. Step 4: Simplify right side
    273,643.44x = 85,077,038,836.57
  5. Step 5: Solve for x
    x = 85,077,038,836.57/273,643.44
  6. Step 6: Final answer
    x = 310,904.73

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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.