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Finding the Fourth Proportional to 466,794, 644,137.38 and 262,779.75

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Solution

The fourth proportional to 466,794, 644,137.38 and 262,779.75 is: 362,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,794 : 644,137.38 = 262,779.75 : x
  2. Step 2: Convert to fraction form
    466,794/644,137.38 = 262,779.75/x
  3. Step 3: Cross multiply
    466,794x = 644,137.38 × 262,779.75
  4. Step 4: Simplify right side
    466,794x = 169,266,259,682.06
  5. Step 5: Solve for x
    x = 169,266,259,682.06/466,794
  6. Step 6: Final answer
    x = 362,614.47

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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.