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Finding the Fourth Proportional to 321,527.51, 482,192.73 and 222,325.19

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Solution

The fourth proportional to 321,527.51, 482,192.73 and 222,325.19 is: 333,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,527.51 : 482,192.73 = 222,325.19 : x
  2. Step 2: Convert to fraction form
    321,527.51/482,192.73 = 222,325.19/x
  3. Step 3: Cross multiply
    321,527.51x = 482,192.73 × 222,325.19
  4. Step 4: Simplify right side
    321,527.51x = 107,203,589,711.13
  5. Step 5: Solve for x
    x = 107,203,589,711.13/321,527.51
  6. Step 6: Final answer
    x = 333,419.65

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1.5x scale

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.