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Finding the Fourth Proportional to 300,614.92, 450,206.62 and 173,988.52

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Solution

The fourth proportional to 300,614.92, 450,206.62 and 173,988.52 is: 260,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,614.92 : 450,206.62 = 173,988.52 : x
  2. Step 2: Convert to fraction form
    300,614.92/450,206.62 = 173,988.52/x
  3. Step 3: Cross multiply
    300,614.92x = 450,206.62 × 173,988.52
  4. Step 4: Simplify right side
    300,614.92x = 78,330,783,508.00
  5. Step 5: Solve for x
    x = 78,330,783,508.00/300,614.92
  6. Step 6: Final answer
    x = 260,568.52

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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.