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Finding the Fourth Proportional to 450,481.30, 675,522.69 and 134,879.38

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Solution

The fourth proportional to 450,481.30, 675,522.69 and 134,879.38 is: 202,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,481.30 : 675,522.69 = 134,879.38 : x
  2. Step 2: Convert to fraction form
    450,481.30/675,522.69 = 134,879.38/x
  3. Step 3: Cross multiply
    450,481.30x = 675,522.69 × 134,879.38
  4. Step 4: Simplify right side
    450,481.30x = 91,114,081,603.13
  5. Step 5: Solve for x
    x = 91,114,081,603.13/450,481.30
  6. Step 6: Final answer
    x = 202,259.41

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1.5x scale

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.