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Finding the Fourth Proportional to 363,652.17, 501,807.83 and 210,641.43

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Solution

The fourth proportional to 363,652.17, 501,807.83 and 210,641.43 is: 290,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,652.17 : 501,807.83 = 210,641.43 : x
  2. Step 2: Convert to fraction form
    363,652.17/501,807.83 = 210,641.43/x
  3. Step 3: Cross multiply
    363,652.17x = 501,807.83 × 210,641.43
  4. Step 4: Simplify right side
    363,652.17x = 105,701,517,843.19
  5. Step 5: Solve for x
    x = 105,701,517,843.19/363,652.17
  6. Step 6: Final answer
    x = 290,666.54

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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.