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Finding the Fourth Proportional to 471,014.25, 649,993.48 and 256,149.73

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Solution

The fourth proportional to 471,014.25, 649,993.48 and 256,149.73 is: 353,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,014.25 : 649,993.48 = 256,149.73 : x
  2. Step 2: Convert to fraction form
    471,014.25/649,993.48 = 256,149.73/x
  3. Step 3: Cross multiply
    471,014.25x = 649,993.48 × 256,149.73
  4. Step 4: Simplify right side
    471,014.25x = 166,495,654,403.76
  5. Step 5: Solve for x
    x = 166,495,654,403.76/471,014.25
  6. Step 6: Final answer
    x = 353,483.26

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1.5x scale

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.