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Finding the Fourth Proportional to 300,057.08, 450,437.25 and 236,919.76

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Solution

The fourth proportional to 300,057.08, 450,437.25 and 236,919.76 is: 355,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,057.08 : 450,437.25 = 236,919.76 : x
  2. Step 2: Convert to fraction form
    300,057.08/450,437.25 = 236,919.76/x
  3. Step 3: Cross multiply
    300,057.08x = 450,437.25 × 236,919.76
  4. Step 4: Simplify right side
    300,057.08x = 106,717,486,194.27
  5. Step 5: Solve for x
    x = 106,717,486,194.27/300,057.08
  6. Step 6: Final answer
    x = 355,657.28

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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.