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Finding the Fourth Proportional to 471,364.72, 650,496.96 and 256,518.64

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Solution

The fourth proportional to 471,364.72, 650,496.96 and 256,518.64 is: 354,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,364.72 : 650,496.96 = 256,518.64 : x
  2. Step 2: Convert to fraction form
    471,364.72/650,496.96 = 256,518.64/x
  3. Step 3: Cross multiply
    471,364.72x = 650,496.96 × 256,518.64
  4. Step 4: Simplify right side
    471,364.72x = 166,864,595,503.33
  5. Step 5: Solve for x
    x = 166,864,595,503.33/471,364.72
  6. Step 6: Final answer
    x = 354,003.15

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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.