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Finding the Fourth Proportional to 347,989.14, 480,258.72 and 195,053.31

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Solution

The fourth proportional to 347,989.14, 480,258.72 and 195,053.31 is: 269,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,989.14 : 480,258.72 = 195,053.31 : x
  2. Step 2: Convert to fraction form
    347,989.14/480,258.72 = 195,053.31/x
  3. Step 3: Cross multiply
    347,989.14x = 480,258.72 × 195,053.31
  4. Step 4: Simplify right side
    347,989.14x = 93,676,052,992.36
  5. Step 5: Solve for x
    x = 93,676,052,992.36/347,989.14
  6. Step 6: Final answer
    x = 269,192.46

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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.