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Finding the Fourth Proportional to 348,480.47, 481,050.15 and 235,456.31

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Solution

The fourth proportional to 348,480.47, 481,050.15 and 235,456.31 is: 325,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,480.47 : 481,050.15 = 235,456.31 : x
  2. Step 2: Convert to fraction form
    348,480.47/481,050.15 = 235,456.31/x
  3. Step 3: Cross multiply
    348,480.47x = 481,050.15 × 235,456.31
  4. Step 4: Simplify right side
    348,480.47x = 113,266,293,243.95
  5. Step 5: Solve for x
    x = 113,266,293,243.95/348,480.47
  6. Step 6: Final answer
    x = 325,029.10

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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.