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Finding the Fourth Proportional to 364,578.09, 503,223.37 and 211,650.63

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Solution

The fourth proportional to 364,578.09, 503,223.37 and 211,650.63 is: 292,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,578.09 : 503,223.37 = 211,650.63 : x
  2. Step 2: Convert to fraction form
    364,578.09/503,223.37 = 211,650.63/x
  3. Step 3: Cross multiply
    364,578.09x = 503,223.37 × 211,650.63
  4. Step 4: Simplify right side
    364,578.09x = 106,507,542,762.10
  5. Step 5: Solve for x
    x = 106,507,542,762.10/364,578.09
  6. Step 6: Final answer
    x = 292,139.18

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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.