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Finding the Fourth Proportional to 303,674.35, 455,464.81 and 101,274.01

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Solution

The fourth proportional to 303,674.35, 455,464.81 and 101,274.01 is: 151,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,674.35 : 455,464.81 = 101,274.01 : x
  2. Step 2: Convert to fraction form
    303,674.35/455,464.81 = 101,274.01/x
  3. Step 3: Cross multiply
    303,674.35x = 455,464.81 × 101,274.01
  4. Step 4: Simplify right side
    303,674.35x = 46,126,747,722.59
  5. Step 5: Solve for x
    x = 46,126,747,722.59/303,674.35
  6. Step 6: Final answer
    x = 151,895.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.