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Finding the Fourth Proportional to 203,259.77, 303,439.57 and 189,752.28

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Solution

The fourth proportional to 203,259.77, 303,439.57 and 189,752.28 is: 283,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,259.77 : 303,439.57 = 189,752.28 : x
  2. Step 2: Convert to fraction form
    203,259.77/303,439.57 = 189,752.28/x
  3. Step 3: Cross multiply
    203,259.77x = 303,439.57 × 189,752.28
  4. Step 4: Simplify right side
    203,259.77x = 57,578,350,249.72
  5. Step 5: Solve for x
    x = 57,578,350,249.72/203,259.77
  6. Step 6: Final answer
    x = 283,274.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.