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Finding the Fourth Proportional to 450,438.21, 675,186.75 and 150,672.27

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Solution

The fourth proportional to 450,438.21, 675,186.75 and 150,672.27 is: 225,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,438.21 : 675,186.75 = 150,672.27 : x
  2. Step 2: Convert to fraction form
    450,438.21/675,186.75 = 150,672.27/x
  3. Step 3: Cross multiply
    450,438.21x = 675,186.75 × 150,672.27
  4. Step 4: Simplify right side
    450,438.21x = 101,731,920,296.42
  5. Step 5: Solve for x
    x = 101,731,920,296.42/450,438.21
  6. Step 6: Final answer
    x = 225,851.00

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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.