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Finding the Fourth Proportional to 453,396.26, 625,676.72 and 262,405.82

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Solution

The fourth proportional to 453,396.26, 625,676.72 and 262,405.82 is: 362,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,396.26 : 625,676.72 = 262,405.82 : x
  2. Step 2: Convert to fraction form
    453,396.26/625,676.72 = 262,405.82/x
  3. Step 3: Cross multiply
    453,396.26x = 625,676.72 × 262,405.82
  4. Step 4: Simplify right side
    453,396.26x = 164,181,212,766.51
  5. Step 5: Solve for x
    x = 164,181,212,766.51/453,396.26
  6. Step 6: Final answer
    x = 362,114.18

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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.