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Finding the Fourth Proportional to 471,015.24, 649,994.86 and 256,150.74

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Solution

The fourth proportional to 471,015.24, 649,994.86 and 256,150.74 is: 353,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,015.24 : 649,994.86 = 256,150.74 : x
  2. Step 2: Convert to fraction form
    471,015.24/649,994.86 = 256,150.74/x
  3. Step 3: Cross multiply
    471,015.24x = 649,994.86 × 256,150.74
  4. Step 4: Simplify right side
    471,015.24x = 166,496,664,385.20
  5. Step 5: Solve for x
    x = 166,496,664,385.20/471,015.24
  6. Step 6: Final answer
    x = 353,484.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.