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Finding the Fourth Proportional to 482,297.73, 723,597.17 and 290,382.54

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Solution

The fourth proportional to 482,297.73, 723,597.17 and 290,382.54 is: 435,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,297.73 : 723,597.17 = 290,382.54 : x
  2. Step 2: Convert to fraction form
    482,297.73/723,597.17 = 290,382.54/x
  3. Step 3: Cross multiply
    482,297.73x = 723,597.17 × 290,382.54
  4. Step 4: Simplify right side
    482,297.73x = 210,119,979,996.01
  5. Step 5: Solve for x
    x = 210,119,979,996.01/482,297.73
  6. Step 6: Final answer
    x = 435,664.46

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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.