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Finding the Fourth Proportional to 359,942.40, 496,775.70 and 222,201.54

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Solution

The fourth proportional to 359,942.40, 496,775.70 and 222,201.54 is: 306,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,942.40 : 496,775.70 = 222,201.54 : x
  2. Step 2: Convert to fraction form
    359,942.40/496,775.70 = 222,201.54/x
  3. Step 3: Cross multiply
    359,942.40x = 496,775.70 × 222,201.54
  4. Step 4: Simplify right side
    359,942.40x = 110,384,325,574.58
  5. Step 5: Solve for x
    x = 110,384,325,574.58/359,942.40
  6. Step 6: Final answer
    x = 306,672.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.