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Finding the Fourth Proportional to 366,422.94, 549,630.09 and 206,510.94

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Solution

The fourth proportional to 366,422.94, 549,630.09 and 206,510.94 is: 309,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,422.94 : 549,630.09 = 206,510.94 : x
  2. Step 2: Convert to fraction form
    366,422.94/549,630.09 = 206,510.94/x
  3. Step 3: Cross multiply
    366,422.94x = 549,630.09 × 206,510.94
  4. Step 4: Simplify right side
    366,422.94x = 113,504,626,538.19
  5. Step 5: Solve for x
    x = 113,504,626,538.19/366,422.94
  6. Step 6: Final answer
    x = 309,763.98

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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.