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Finding the Fourth Proportional to 574,017.66, 860,991.48 and 214,119

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Solution

The fourth proportional to 574,017.66, 860,991.48 and 214,119 is: 321,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,017.66 : 860,991.48 = 214,119 : x
  2. Step 2: Convert to fraction form
    574,017.66/860,991.48 = 214,119/x
  3. Step 3: Cross multiply
    574,017.66x = 860,991.48 × 214,119
  4. Step 4: Simplify right side
    574,017.66x = 184,354,634,706.12
  5. Step 5: Solve for x
    x = 184,354,634,706.12/574,017.66
  6. Step 6: Final answer
    x = 321,165.44

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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.