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Finding the Fourth Proportional to 348,881.96, 481,451.28 and 195,921.56

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Solution

The fourth proportional to 348,881.96, 481,451.28 and 195,921.56 is: 270,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,881.96 : 481,451.28 = 195,921.56 : x
  2. Step 2: Convert to fraction form
    348,881.96/481,451.28 = 195,921.56/x
  3. Step 3: Cross multiply
    348,881.96x = 481,451.28 × 195,921.56
  4. Step 4: Simplify right side
    348,881.96x = 94,326,685,841.60
  5. Step 5: Solve for x
    x = 94,326,685,841.60/348,881.96
  6. Step 6: Final answer
    x = 270,368.48

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1.5x scale

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.