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Finding the Fourth Proportional to 471,458.72, 650,612.99 and 256,600.32

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Solution

The fourth proportional to 471,458.72, 650,612.99 and 256,600.32 is: 354,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,458.72 : 650,612.99 = 256,600.32 : x
  2. Step 2: Convert to fraction form
    471,458.72/650,612.99 = 256,600.32/x
  3. Step 3: Cross multiply
    471,458.72x = 650,612.99 × 256,600.32
  4. Step 4: Simplify right side
    471,458.72x = 166,947,500,788.66
  5. Step 5: Solve for x
    x = 166,947,500,788.66/471,458.72
  6. Step 6: Final answer
    x = 354,108.42

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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.