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Finding the Fourth Proportional to 349,069.64, 481,663.53 and 196,078.46

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Solution

The fourth proportional to 349,069.64, 481,663.53 and 196,078.46 is: 270,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,069.64 : 481,663.53 = 196,078.46 : x
  2. Step 2: Convert to fraction form
    349,069.64/481,663.53 = 196,078.46/x
  3. Step 3: Cross multiply
    349,069.64x = 481,663.53 × 196,078.46
  4. Step 4: Simplify right side
    349,069.64x = 94,443,840,792.25
  5. Step 5: Solve for x
    x = 94,443,840,792.25/349,069.64
  6. Step 6: Final answer
    x = 270,558.74

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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.