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Finding the Fourth Proportional to 444,502.63, 666,956.36 and 188,405.39

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Solution

The fourth proportional to 444,502.63, 666,956.36 and 188,405.39 is: 282,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,502.63 : 666,956.36 = 188,405.39 : x
  2. Step 2: Convert to fraction form
    444,502.63/666,956.36 = 188,405.39/x
  3. Step 3: Cross multiply
    444,502.63x = 666,956.36 × 188,405.39
  4. Step 4: Simplify right side
    444,502.63x = 125,658,173,118.78
  5. Step 5: Solve for x
    x = 125,658,173,118.78/444,502.63
  6. Step 6: Final answer
    x = 282,693.88

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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.