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Finding the Fourth Proportional to 300,593.40, 450,942.03 and 100,933.05

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Solution

The fourth proportional to 300,593.40, 450,942.03 and 100,933.05 is: 151,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,593.40 : 450,942.03 = 100,933.05 : x
  2. Step 2: Convert to fraction form
    300,593.40/450,942.03 = 100,933.05/x
  3. Step 3: Cross multiply
    300,593.40x = 450,942.03 × 100,933.05
  4. Step 4: Simplify right side
    300,593.40x = 45,514,954,461.09
  5. Step 5: Solve for x
    x = 45,514,954,461.09/300,593.40
  6. Step 6: Final answer
    x = 151,417.01

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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.