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Finding the Fourth Proportional to 366,419.70, 549,611.33 and 188,944.65

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Solution

The fourth proportional to 366,419.70, 549,611.33 and 188,944.65 is: 283,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,419.70 : 549,611.33 = 188,944.65 : x
  2. Step 2: Convert to fraction form
    366,419.70/549,611.33 = 188,944.65/x
  3. Step 3: Cross multiply
    366,419.70x = 549,611.33 × 188,944.65
  4. Step 4: Simplify right side
    366,419.70x = 103,846,119,438.16
  5. Step 5: Solve for x
    x = 103,846,119,438.16/366,419.70
  6. Step 6: Final answer
    x = 283,407.58

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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.