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Finding the Fourth Proportional to 257,003.44, 354,615.54 and 166,346.82

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Solution

The fourth proportional to 257,003.44, 354,615.54 and 166,346.82 is: 229,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,003.44 : 354,615.54 = 166,346.82 : x
  2. Step 2: Convert to fraction form
    257,003.44/354,615.54 = 166,346.82/x
  3. Step 3: Cross multiply
    257,003.44x = 354,615.54 × 166,346.82
  4. Step 4: Simplify right side
    257,003.44x = 58,989,166,777.78
  5. Step 5: Solve for x
    x = 58,989,166,777.78/257,003.44
  6. Step 6: Final answer
    x = 229,526.76

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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.