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Finding the Fourth Proportional to 364,491.22, 502,726.26 and 267,664.72

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Solution

The fourth proportional to 364,491.22, 502,726.26 and 267,664.72 is: 369,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,491.22 : 502,726.26 = 267,664.72 : x
  2. Step 2: Convert to fraction form
    364,491.22/502,726.26 = 267,664.72/x
  3. Step 3: Cross multiply
    364,491.22x = 502,726.26 × 267,664.72
  4. Step 4: Simplify right side
    364,491.22x = 134,562,083,619.55
  5. Step 5: Solve for x
    x = 134,562,083,619.55/364,491.22
  6. Step 6: Final answer
    x = 369,177.85

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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.