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Finding the Fourth Proportional to 348,805.53, 481,497.93 and 235,781.37

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Solution

The fourth proportional to 348,805.53, 481,497.93 and 235,781.37 is: 325,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,805.53 : 481,497.93 = 235,781.37 : x
  2. Step 2: Convert to fraction form
    348,805.53/481,497.93 = 235,781.37/x
  3. Step 3: Cross multiply
    348,805.53x = 481,497.93 × 235,781.37
  4. Step 4: Simplify right side
    348,805.53x = 113,528,241,587.56
  5. Step 5: Solve for x
    x = 113,528,241,587.56/348,805.53
  6. Step 6: Final answer
    x = 325,477.18

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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.