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Finding the Fourth Proportional to 444,416.78, 666,708.06 and 178,198.14

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Solution

The fourth proportional to 444,416.78, 666,708.06 and 178,198.14 is: 267,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,416.78 : 666,708.06 = 178,198.14 : x
  2. Step 2: Convert to fraction form
    444,416.78/666,708.06 = 178,198.14/x
  3. Step 3: Cross multiply
    444,416.78x = 666,708.06 × 178,198.14
  4. Step 4: Simplify right side
    444,416.78x = 118,806,136,215.01
  5. Step 5: Solve for x
    x = 118,806,136,215.01/444,416.78
  6. Step 6: Final answer
    x = 267,330.45

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1.5x scale

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.