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Finding the Fourth Proportional to 469,576.78, 704,393.08 and 181,390.59

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Solution

The fourth proportional to 469,576.78, 704,393.08 and 181,390.59 is: 272,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,576.78 : 704,393.08 = 181,390.59 : x
  2. Step 2: Convert to fraction form
    469,576.78/704,393.08 = 181,390.59/x
  3. Step 3: Cross multiply
    469,576.78x = 704,393.08 × 181,390.59
  4. Step 4: Simplify right side
    469,576.78x = 127,770,275,919.64
  5. Step 5: Solve for x
    x = 127,770,275,919.64/469,576.78
  6. Step 6: Final answer
    x = 272,096.67

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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.