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Finding the Fourth Proportional to 348,460.56, 481,022.37 and 235,436.40

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Solution

The fourth proportional to 348,460.56, 481,022.37 and 235,436.40 is: 325,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,460.56 : 481,022.37 = 235,436.40 : x
  2. Step 2: Convert to fraction form
    348,460.56/481,022.37 = 235,436.40/x
  3. Step 3: Cross multiply
    348,460.56x = 481,022.37 × 235,436.40
  4. Step 4: Simplify right side
    348,460.56x = 113,250,175,112.27
  5. Step 5: Solve for x
    x = 113,250,175,112.27/348,460.56
  6. Step 6: Final answer
    x = 325,001.42

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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.