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Finding the Fourth Proportional to 369,576.33, 510,016.50 and 199,811.67

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Solution

The fourth proportional to 369,576.33, 510,016.50 and 199,811.67 is: 275,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,576.33 : 510,016.50 = 199,811.67 : x
  2. Step 2: Convert to fraction form
    369,576.33/510,016.50 = 199,811.67/x
  3. Step 3: Cross multiply
    369,576.33x = 510,016.50 × 199,811.67
  4. Step 4: Simplify right side
    369,576.33x = 101,907,248,592.56
  5. Step 5: Solve for x
    x = 101,907,248,592.56/369,576.33
  6. Step 6: Final answer
    x = 275,740.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.