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Finding the Fourth Proportional to 444,201.56, 666,312.06 and 178,087.40

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Solution

The fourth proportional to 444,201.56, 666,312.06 and 178,087.40 is: 267,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,201.56 : 666,312.06 = 178,087.40 : x
  2. Step 2: Convert to fraction form
    444,201.56/666,312.06 = 178,087.40/x
  3. Step 3: Cross multiply
    444,201.56x = 666,312.06 × 178,087.40
  4. Step 4: Simplify right side
    444,201.56x = 118,661,782,354.04
  5. Step 5: Solve for x
    x = 118,661,782,354.04/444,201.56
  6. Step 6: Final answer
    x = 267,135.00

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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.