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Finding the Fourth Proportional to 465,625.44, 642,567.60 and 264,422.88

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Solution

The fourth proportional to 465,625.44, 642,567.60 and 264,422.88 is: 364,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,625.44 : 642,567.60 = 264,422.88 : x
  2. Step 2: Convert to fraction form
    465,625.44/642,567.60 = 264,422.88/x
  3. Step 3: Cross multiply
    465,625.44x = 642,567.60 × 264,422.88
  4. Step 4: Simplify right side
    465,625.44x = 169,909,575,386.69
  5. Step 5: Solve for x
    x = 169,909,575,386.69/465,625.44
  6. Step 6: Final answer
    x = 364,906.13

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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.