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Finding the Fourth Proportional to 888,821, 1,333,231.50 and 223,973

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Solution

The fourth proportional to 888,821, 1,333,231.50 and 223,973 is: 335,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,821 : 1,333,231.50 = 223,973 : x
  2. Step 2: Convert to fraction form
    888,821/1,333,231.50 = 223,973/x
  3. Step 3: Cross multiply
    888,821x = 1,333,231.50 × 223,973
  4. Step 4: Simplify right side
    888,821x = 298,607,858,749.50
  5. Step 5: Solve for x
    x = 298,607,858,749.50/888,821
  6. Step 6: Final answer
    x = 335,959.50

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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.