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Finding the Fourth Proportional to 466,556.82, 643,868.88 and 262,620.90

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Solution

The fourth proportional to 466,556.82, 643,868.88 and 262,620.90 is: 362,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,556.82 : 643,868.88 = 262,620.90 : x
  2. Step 2: Convert to fraction form
    466,556.82/643,868.88 = 262,620.90/x
  3. Step 3: Cross multiply
    466,556.82x = 643,868.88 × 262,620.90
  4. Step 4: Simplify right side
    466,556.82x = 169,093,424,747.59
  5. Step 5: Solve for x
    x = 169,093,424,747.59/466,556.82
  6. Step 6: Final answer
    x = 362,428.36

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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.