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Finding the Fourth Proportional to 345,072, 476,032.41 and 222,532.01

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Solution

The fourth proportional to 345,072, 476,032.41 and 222,532.01 is: 306,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,072 : 476,032.41 = 222,532.01 : x
  2. Step 2: Convert to fraction form
    345,072/476,032.41 = 222,532.01/x
  3. Step 3: Cross multiply
    345,072x = 476,032.41 × 222,532.01
  4. Step 4: Simplify right side
    345,072x = 105,932,446,642.28
  5. Step 5: Solve for x
    x = 105,932,446,642.28/345,072
  6. Step 6: Final answer
    x = 306,986.50

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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.