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Finding the Fourth Proportional to 303,901.36, 419,382.84 and 167,931.52

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Solution

The fourth proportional to 303,901.36, 419,382.84 and 167,931.52 is: 231,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.36 : 419,382.84 = 167,931.52 : x
  2. Step 2: Convert to fraction form
    303,901.36/419,382.84 = 167,931.52/x
  3. Step 3: Cross multiply
    303,901.36x = 419,382.84 × 167,931.52
  4. Step 4: Simplify right side
    303,901.36x = 70,427,597,783.12
  5. Step 5: Solve for x
    x = 70,427,597,783.12/303,901.36
  6. Step 6: Final answer
    x = 231,744.92

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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.