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Finding the Fourth Proportional to 444,136.40, 666,010.20 and 177,808.40

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Solution

The fourth proportional to 444,136.40, 666,010.20 and 177,808.40 is: 266,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,136.40 : 666,010.20 = 177,808.40 : x
  2. Step 2: Convert to fraction form
    444,136.40/666,010.20 = 177,808.40/x
  3. Step 3: Cross multiply
    444,136.40x = 666,010.20 × 177,808.40
  4. Step 4: Simplify right side
    444,136.40x = 118,422,208,045.68
  5. Step 5: Solve for x
    x = 118,422,208,045.68/444,136.40
  6. Step 6: Final answer
    x = 266,634.77

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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.