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Finding the Fourth Proportional to 567,761.76, 782,697 and 446,692.80

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Solution

The fourth proportional to 567,761.76, 782,697 and 446,692.80 is: 615,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,761.76 : 782,697 = 446,692.80 : x
  2. Step 2: Convert to fraction form
    567,761.76/782,697 = 446,692.80/x
  3. Step 3: Cross multiply
    567,761.76x = 782,697 × 446,692.80
  4. Step 4: Simplify right side
    567,761.76x = 349,625,114,481.60
  5. Step 5: Solve for x
    x = 349,625,114,481.60/567,761.76
  6. Step 6: Final answer
    x = 615,795.46

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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.