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Finding the Fourth Proportional to 358,611.15, 537,557.29 and 166,620.45

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Solution

The fourth proportional to 358,611.15, 537,557.29 and 166,620.45 is: 249,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,611.15 : 537,557.29 = 166,620.45 : x
  2. Step 2: Convert to fraction form
    358,611.15/537,557.29 = 166,620.45/x
  3. Step 3: Cross multiply
    358,611.15x = 537,557.29 × 166,620.45
  4. Step 4: Simplify right side
    358,611.15x = 89,568,037,560.58
  5. Step 5: Solve for x
    x = 89,568,037,560.58/358,611.15
  6. Step 6: Final answer
    x = 249,763.67

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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.