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Finding the Fourth Proportional to 347,187.66, 479,119.26 and 203,949.42

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Solution

The fourth proportional to 347,187.66, 479,119.26 and 203,949.42 is: 281,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,187.66 : 479,119.26 = 203,949.42 : x
  2. Step 2: Convert to fraction form
    347,187.66/479,119.26 = 203,949.42/x
  3. Step 3: Cross multiply
    347,187.66x = 479,119.26 × 203,949.42
  4. Step 4: Simplify right side
    347,187.66x = 97,716,095,187.83
  5. Step 5: Solve for x
    x = 97,716,095,187.83/347,187.66
  6. Step 6: Final answer
    x = 281,450.37

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1.5x scale

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.