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Finding the Fourth Proportional to 472,183.87, 651,594.78 and 257,319.33

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Solution

The fourth proportional to 472,183.87, 651,594.78 and 257,319.33 is: 355,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,183.87 : 651,594.78 = 257,319.33 : x
  2. Step 2: Convert to fraction form
    472,183.87/651,594.78 = 257,319.33/x
  3. Step 3: Cross multiply
    472,183.87x = 651,594.78 × 257,319.33
  4. Step 4: Simplify right side
    472,183.87x = 167,667,932,221.10
  5. Step 5: Solve for x
    x = 167,667,932,221.10/472,183.87
  6. Step 6: Final answer
    x = 355,090.34

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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.