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Finding the Fourth Proportional to 329,004.45, 454,027.59 and 178,101.45

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Solution

The fourth proportional to 329,004.45, 454,027.59 and 178,101.45 is: 245,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,004.45 : 454,027.59 = 178,101.45 : x
  2. Step 2: Convert to fraction form
    329,004.45/454,027.59 = 178,101.45/x
  3. Step 3: Cross multiply
    329,004.45x = 454,027.59 × 178,101.45
  4. Step 4: Simplify right side
    329,004.45x = 80,862,972,119.01
  5. Step 5: Solve for x
    x = 80,862,972,119.01/329,004.45
  6. Step 6: Final answer
    x = 245,780.79

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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.