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Finding the Fourth Proportional to 329,360.94, 454,342.80 and 200,338.86

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Solution

The fourth proportional to 329,360.94, 454,342.80 and 200,338.86 is: 276,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,360.94 : 454,342.80 = 200,338.86 : x
  2. Step 2: Convert to fraction form
    329,360.94/454,342.80 = 200,338.86/x
  3. Step 3: Cross multiply
    329,360.94x = 454,342.80 × 200,338.86
  4. Step 4: Simplify right side
    329,360.94x = 91,022,518,601.21
  5. Step 5: Solve for x
    x = 91,022,518,601.21/329,360.94
  6. Step 6: Final answer
    x = 276,361.00

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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.