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Finding the Fourth Proportional to 348,708.64, 481,211.04 and 195,750.40

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Solution

The fourth proportional to 348,708.64, 481,211.04 and 195,750.40 is: 270,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,708.64 : 481,211.04 = 195,750.40 : x
  2. Step 2: Convert to fraction form
    348,708.64/481,211.04 = 195,750.40/x
  3. Step 3: Cross multiply
    348,708.64x = 481,211.04 × 195,750.40
  4. Step 4: Simplify right side
    348,708.64x = 94,197,253,564.42
  5. Step 5: Solve for x
    x = 94,197,253,564.42/348,708.64
  6. Step 6: Final answer
    x = 270,131.69

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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.