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Finding the Fourth Proportional to 312,363.77, 468,628.58 and 162,559.73

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Solution

The fourth proportional to 312,363.77, 468,628.58 and 162,559.73 is: 243,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,363.77 : 468,628.58 = 162,559.73 : x
  2. Step 2: Convert to fraction form
    312,363.77/468,628.58 = 162,559.73/x
  3. Step 3: Cross multiply
    312,363.77x = 468,628.58 × 162,559.73
  4. Step 4: Simplify right side
    312,363.77x = 76,180,137,013.05
  5. Step 5: Solve for x
    x = 76,180,137,013.05/312,363.77
  6. Step 6: Final answer
    x = 243,882.76

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1.5x scale

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.