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Finding the Fourth Proportional to 471,518.03, 706,850.58 and 171,928.54

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Solution

The fourth proportional to 471,518.03, 706,850.58 and 171,928.54 is: 257,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,518.03 : 706,850.58 = 171,928.54 : x
  2. Step 2: Convert to fraction form
    471,518.03/706,850.58 = 171,928.54/x
  3. Step 3: Cross multiply
    471,518.03x = 706,850.58 × 171,928.54
  4. Step 4: Simplify right side
    471,518.03x = 121,527,788,217.55
  5. Step 5: Solve for x
    x = 121,527,788,217.55/471,518.03
  6. Step 6: Final answer
    x = 257,737.31

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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.