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Finding the Fourth Proportional to 321,476.49, 482,116.28 and 222,274.17

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Solution

The fourth proportional to 321,476.49, 482,116.28 and 222,274.17 is: 333,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,476.49 : 482,116.28 = 222,274.17 : x
  2. Step 2: Convert to fraction form
    321,476.49/482,116.28 = 222,274.17/x
  3. Step 3: Cross multiply
    321,476.49x = 482,116.28 × 222,274.17
  4. Step 4: Simplify right side
    321,476.49x = 107,161,995,980.49
  5. Step 5: Solve for x
    x = 107,161,995,980.49/321,476.49
  6. Step 6: Final answer
    x = 333,343.18

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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.