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Finding the Fourth Proportional to 450,573.53, 675,774.15 and 135,030.43

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Solution

The fourth proportional to 450,573.53, 675,774.15 and 135,030.43 is: 202,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,573.53 : 675,774.15 = 135,030.43 : x
  2. Step 2: Convert to fraction form
    450,573.53/675,774.15 = 135,030.43/x
  3. Step 3: Cross multiply
    450,573.53x = 675,774.15 × 135,030.43
  4. Step 4: Simplify right side
    450,573.53x = 91,250,072,367.95
  5. Step 5: Solve for x
    x = 91,250,072,367.95/450,573.53
  6. Step 6: Final answer
    x = 202,519.83

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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.