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Finding the Fourth Proportional to 574,019.66, 860,994.48 and 214,121

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Solution

The fourth proportional to 574,019.66, 860,994.48 and 214,121 is: 321,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,019.66 : 860,994.48 = 214,121 : x
  2. Step 2: Convert to fraction form
    574,019.66/860,994.48 = 214,121/x
  3. Step 3: Cross multiply
    574,019.66x = 860,994.48 × 214,121
  4. Step 4: Simplify right side
    574,019.66x = 184,356,999,052.08
  5. Step 5: Solve for x
    x = 184,356,999,052.08/574,019.66
  6. Step 6: Final answer
    x = 321,168.44

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