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Finding the Fourth Proportional to 364,578.34, 503,223.72 and 211,650.88

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Solution

The fourth proportional to 364,578.34, 503,223.72 and 211,650.88 is: 292,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,578.34 : 503,223.72 = 211,650.88 : x
  2. Step 2: Convert to fraction form
    364,578.34/503,223.72 = 211,650.88/x
  3. Step 3: Cross multiply
    364,578.34x = 503,223.72 × 211,650.88
  4. Step 4: Simplify right side
    364,578.34x = 106,507,743,174.87
  5. Step 5: Solve for x
    x = 106,507,743,174.87/364,578.34
  6. Step 6: Final answer
    x = 292,139.53

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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.