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Finding the Fourth Proportional to 647,327.22, 893,694.24 and 575,508.42

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Solution

The fourth proportional to 647,327.22, 893,694.24 and 575,508.42 is: 794,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,327.22 : 893,694.24 = 575,508.42 : x
  2. Step 2: Convert to fraction form
    647,327.22/893,694.24 = 575,508.42/x
  3. Step 3: Cross multiply
    647,327.22x = 893,694.24 × 575,508.42
  4. Step 4: Simplify right side
    647,327.22x = 514,328,560,025.50
  5. Step 5: Solve for x
    x = 514,328,560,025.50/647,327.22
  6. Step 6: Final answer
    x = 794,541.84

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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.