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Finding the Fourth Proportional to 329,047.38, 454,059.54 and 185,821.56

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Solution

The fourth proportional to 329,047.38, 454,059.54 and 185,821.56 is: 256,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,047.38 : 454,059.54 = 185,821.56 : x
  2. Step 2: Convert to fraction form
    329,047.38/454,059.54 = 185,821.56/x
  3. Step 3: Cross multiply
    329,047.38x = 454,059.54 × 185,821.56
  4. Step 4: Simplify right side
    329,047.38x = 84,374,052,055.68
  5. Step 5: Solve for x
    x = 84,374,052,055.68/329,047.38
  6. Step 6: Final answer
    x = 256,419.16

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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.