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Finding the Fourth Proportional to 349,354.46, 482,079.53 and 196,381.10

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Solution

The fourth proportional to 349,354.46, 482,079.53 and 196,381.10 is: 270,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,354.46 : 482,079.53 = 196,381.10 : x
  2. Step 2: Convert to fraction form
    349,354.46/482,079.53 = 196,381.10/x
  3. Step 3: Cross multiply
    349,354.46x = 482,079.53 × 196,381.10
  4. Step 4: Simplify right side
    349,354.46x = 94,671,310,085.03
  5. Step 5: Solve for x
    x = 94,671,310,085.03/349,354.46
  6. Step 6: Final answer
    x = 270,989.27

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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.