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Finding the Fourth Proportional to 471,673.82, 650,921.53 and 256,825.64

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Solution

The fourth proportional to 471,673.82, 650,921.53 and 256,825.64 is: 354,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,673.82 : 650,921.53 = 256,825.64 : x
  2. Step 2: Convert to fraction form
    471,673.82/650,921.53 = 256,825.64/x
  3. Step 3: Cross multiply
    471,673.82x = 650,921.53 × 256,825.64
  4. Step 4: Simplify right side
    471,673.82x = 167,173,334,635.36
  5. Step 5: Solve for x
    x = 167,173,334,635.36/471,673.82
  6. Step 6: Final answer
    x = 354,425.73

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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.