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Finding the Fourth Proportional to 444,036.02, 666,136.17 and 140,506.54

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Solution

The fourth proportional to 444,036.02, 666,136.17 and 140,506.54 is: 210,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,036.02 : 666,136.17 = 140,506.54 : x
  2. Step 2: Convert to fraction form
    444,036.02/666,136.17 = 140,506.54/x
  3. Step 3: Cross multiply
    444,036.02x = 666,136.17 × 140,506.54
  4. Step 4: Simplify right side
    444,036.02x = 93,596,486,750.21
  5. Step 5: Solve for x
    x = 93,596,486,750.21/444,036.02
  6. Step 6: Final answer
    x = 210,785.80

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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.