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Finding the Fourth Proportional to 444,586.49, 666,880.22 and 208,095.25

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Solution

The fourth proportional to 444,586.49, 666,880.22 and 208,095.25 is: 312,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,586.49 : 666,880.22 = 208,095.25 : x
  2. Step 2: Convert to fraction form
    444,586.49/666,880.22 = 208,095.25/x
  3. Step 3: Cross multiply
    444,586.49x = 666,880.22 × 208,095.25
  4. Step 4: Simplify right side
    444,586.49x = 138,774,606,100.96
  5. Step 5: Solve for x
    x = 138,774,606,100.96/444,586.49
  6. Step 6: Final answer
    x = 312,143.10

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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.