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Finding the Fourth Proportional to 363,550.77, 501,570.21 and 210,505.41

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Solution

The fourth proportional to 363,550.77, 501,570.21 and 210,505.41 is: 290,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,550.77 : 501,570.21 = 210,505.41 : x
  2. Step 2: Convert to fraction form
    363,550.77/501,570.21 = 210,505.41/x
  3. Step 3: Cross multiply
    363,550.77x = 501,570.21 × 210,505.41
  4. Step 4: Simplify right side
    363,550.77x = 105,583,242,699.84
  5. Step 5: Solve for x
    x = 105,583,242,699.84/363,550.77
  6. Step 6: Final answer
    x = 290,422.28

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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.