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Finding the Fourth Proportional to 444,584.65, 666,877.46 and 208,093.40

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Solution

The fourth proportional to 444,584.65, 666,877.46 and 208,093.40 is: 312,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,584.65 : 666,877.46 = 208,093.40 : x
  2. Step 2: Convert to fraction form
    444,584.65/666,877.46 = 208,093.40/x
  3. Step 3: Cross multiply
    444,584.65x = 666,877.46 × 208,093.40
  4. Step 4: Simplify right side
    444,584.65x = 138,772,799,911.89
  5. Step 5: Solve for x
    x = 138,772,799,911.89/444,584.65
  6. Step 6: Final answer
    x = 312,140.33

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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.