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Finding the Fourth Proportional to 349,674.39, 482,549.91 and 196,712.67

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Solution

The fourth proportional to 349,674.39, 482,549.91 and 196,712.67 is: 271,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,674.39 : 482,549.91 = 196,712.67 : x
  2. Step 2: Convert to fraction form
    349,674.39/482,549.91 = 196,712.67/x
  3. Step 3: Cross multiply
    349,674.39x = 482,549.91 × 196,712.67
  4. Step 4: Simplify right side
    349,674.39x = 94,923,682,276.25
  5. Step 5: Solve for x
    x = 94,923,682,276.25/349,674.39
  6. Step 6: Final answer
    x = 271,463.07

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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.