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Finding the Fourth Proportional to 444,502.20, 666,170.10 and 178,044.60

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Solution

The fourth proportional to 444,502.20, 666,170.10 and 178,044.60 is: 266,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,502.20 : 666,170.10 = 178,044.60 : x
  2. Step 2: Convert to fraction form
    444,502.20/666,170.10 = 178,044.60/x
  3. Step 3: Cross multiply
    444,502.20x = 666,170.10 × 178,044.60
  4. Step 4: Simplify right side
    444,502.20x = 118,607,988,986.46
  5. Step 5: Solve for x
    x = 118,607,988,986.46/444,502.20
  6. Step 6: Final answer
    x = 266,833.30

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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.