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Finding the Fourth Proportional to 349,670.60, 482,544.73 and 196,708.90

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Solution

The fourth proportional to 349,670.60, 482,544.73 and 196,708.90 is: 271,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,670.60 : 482,544.73 = 196,708.90 : x
  2. Step 2: Convert to fraction form
    349,670.60/482,544.73 = 196,708.90/x
  3. Step 3: Cross multiply
    349,670.60x = 482,544.73 × 196,708.90
  4. Step 4: Simplify right side
    349,670.60x = 94,920,843,039.10
  5. Step 5: Solve for x
    x = 94,920,843,039.10/349,670.60
  6. Step 6: Final answer
    x = 271,457.89

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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.