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Finding the Fourth Proportional to 348,884.98, 481,513.32 and 212,997.69

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Solution

The fourth proportional to 348,884.98, 481,513.32 and 212,997.69 is: 293,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,884.98 : 481,513.32 = 212,997.69 : x
  2. Step 2: Convert to fraction form
    348,884.98/481,513.32 = 212,997.69/x
  3. Step 3: Cross multiply
    348,884.98x = 481,513.32 × 212,997.69
  4. Step 4: Simplify right side
    348,884.98x = 102,561,224,864.23
  5. Step 5: Solve for x
    x = 102,561,224,864.23/348,884.98
  6. Step 6: Final answer
    x = 293,968.59

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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.