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Finding the Fourth Proportional to 349,094.30, 481,978.23 and 268,372.94

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Solution

The fourth proportional to 349,094.30, 481,978.23 and 268,372.94 is: 370,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,094.30 : 481,978.23 = 268,372.94 : x
  2. Step 2: Convert to fraction form
    349,094.30/481,978.23 = 268,372.94/x
  3. Step 3: Cross multiply
    349,094.30x = 481,978.23 × 268,372.94
  4. Step 4: Simplify right side
    349,094.30x = 129,349,914,601.10
  5. Step 5: Solve for x
    x = 129,349,914,601.10/349,094.30
  6. Step 6: Final answer
    x = 370,530.01

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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.