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Finding the Fourth Proportional to 573,729.21, 860,692.23 and 174,409.74

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Solution

The fourth proportional to 573,729.21, 860,692.23 and 174,409.74 is: 261,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,729.21 : 860,692.23 = 174,409.74 : x
  2. Step 2: Convert to fraction form
    573,729.21/860,692.23 = 174,409.74/x
  3. Step 3: Cross multiply
    573,729.21x = 860,692.23 × 174,409.74
  4. Step 4: Simplify right side
    573,729.21x = 150,113,108,054.32
  5. Step 5: Solve for x
    x = 150,113,108,054.32/573,729.21
  6. Step 6: Final answer
    x = 261,644.53

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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.