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Finding the Fourth Proportional to 522,394.60, 783,887.16 and 222,846.88

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Solution

The fourth proportional to 522,394.60, 783,887.16 and 222,846.88 is: 334,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,394.60 : 783,887.16 = 222,846.88 : x
  2. Step 2: Convert to fraction form
    522,394.60/783,887.16 = 222,846.88/x
  3. Step 3: Cross multiply
    522,394.60x = 783,887.16 × 222,846.88
  4. Step 4: Simplify right side
    522,394.60x = 174,686,807,878.06
  5. Step 5: Solve for x
    x = 174,686,807,878.06/522,394.60
  6. Step 6: Final answer
    x = 334,396.27

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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.