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Finding the Fourth Proportional to 471,461.37, 650,630.60 and 256,615.35

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Solution

The fourth proportional to 471,461.37, 650,630.60 and 256,615.35 is: 354,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,461.37 : 650,630.60 = 256,615.35 : x
  2. Step 2: Convert to fraction form
    471,461.37/650,630.60 = 256,615.35/x
  3. Step 3: Cross multiply
    471,461.37x = 650,630.60 × 256,615.35
  4. Step 4: Simplify right side
    471,461.37x = 166,961,797,856.63
  5. Step 5: Solve for x
    x = 166,961,797,856.63/471,461.37
  6. Step 6: Final answer
    x = 354,136.75

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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.