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Finding the Fourth Proportional to 347,891.64, 480,113.37 and 194,921.52

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Solution

The fourth proportional to 347,891.64, 480,113.37 and 194,921.52 is: 269,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,891.64 : 480,113.37 = 194,921.52 : x
  2. Step 2: Convert to fraction form
    347,891.64/480,113.37 = 194,921.52/x
  3. Step 3: Cross multiply
    347,891.64x = 480,113.37 × 194,921.52
  4. Step 4: Simplify right side
    347,891.64x = 93,584,427,852.72
  5. Step 5: Solve for x
    x = 93,584,427,852.72/347,891.64
  6. Step 6: Final answer
    x = 269,004.53

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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.