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Finding the Fourth Proportional to 471,358.44, 650,488.32 and 256,512.38

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Solution

The fourth proportional to 471,358.44, 650,488.32 and 256,512.38 is: 353,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,358.44 : 650,488.32 = 256,512.38 : x
  2. Step 2: Convert to fraction form
    471,358.44/650,488.32 = 256,512.38/x
  3. Step 3: Cross multiply
    471,358.44x = 650,488.32 × 256,512.38
  4. Step 4: Simplify right side
    471,358.44x = 166,858,303,872.96
  5. Step 5: Solve for x
    x = 166,858,303,872.96/471,358.44
  6. Step 6: Final answer
    x = 353,994.52

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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.