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Finding the Fourth Proportional to 348,434.56, 480,793.64 and 195,466.88

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Solution

The fourth proportional to 348,434.56, 480,793.64 and 195,466.88 is: 269,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,434.56 : 480,793.64 = 195,466.88 : x
  2. Step 2: Convert to fraction form
    348,434.56/480,793.64 = 195,466.88/x
  3. Step 3: Cross multiply
    348,434.56x = 480,793.64 × 195,466.88
  4. Step 4: Simplify right side
    348,434.56x = 93,979,230,330.68
  5. Step 5: Solve for x
    x = 93,979,230,330.68/348,434.56
  6. Step 6: Final answer
    x = 269,718.46

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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.