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Finding the Fourth Proportional to 470,791.50, 706,193.73 and 260,839.50

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Solution

The fourth proportional to 470,791.50, 706,193.73 and 260,839.50 is: 391,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,791.50 : 706,193.73 = 260,839.50 : x
  2. Step 2: Convert to fraction form
    470,791.50/706,193.73 = 260,839.50/x
  3. Step 3: Cross multiply
    470,791.50x = 706,193.73 × 260,839.50
  4. Step 4: Simplify right side
    470,791.50x = 184,203,219,436.34
  5. Step 5: Solve for x
    x = 184,203,219,436.34/470,791.50
  6. Step 6: Final answer
    x = 391,262.84

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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.