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Finding the Fourth Proportional to 447,668.87, 671,081.19 and 222,816.74

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Solution

The fourth proportional to 447,668.87, 671,081.19 and 222,816.74 is: 334,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,668.87 : 671,081.19 = 222,816.74 : x
  2. Step 2: Convert to fraction form
    447,668.87/671,081.19 = 222,816.74/x
  3. Step 3: Cross multiply
    447,668.87x = 671,081.19 × 222,816.74
  4. Step 4: Simplify right side
    447,668.87x = 149,528,118,840.15
  5. Step 5: Solve for x
    x = 149,528,118,840.15/447,668.87
  6. Step 6: Final answer
    x = 334,015.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.