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Finding the Fourth Proportional to 574,531.87, 860,676.67 and 447,577.68

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Solution

The fourth proportional to 574,531.87, 860,676.67 and 447,577.68 is: 670,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,531.87 : 860,676.67 = 447,577.68 : x
  2. Step 2: Convert to fraction form
    574,531.87/860,676.67 = 447,577.68/x
  3. Step 3: Cross multiply
    574,531.87x = 860,676.67 × 447,577.68
  4. Step 4: Simplify right side
    574,531.87x = 385,219,660,647.45
  5. Step 5: Solve for x
    x = 385,219,660,647.45/574,531.87
  6. Step 6: Final answer
    x = 670,493.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.