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Finding the Fourth Proportional to 383,841.66, 529,530.16 and 222,603.26

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Solution

The fourth proportional to 383,841.66, 529,530.16 and 222,603.26 is: 307,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841.66 : 529,530.16 = 222,603.26 : x
  2. Step 2: Convert to fraction form
    383,841.66/529,530.16 = 222,603.26/x
  3. Step 3: Cross multiply
    383,841.66x = 529,530.16 × 222,603.26
  4. Step 4: Simplify right side
    383,841.66x = 117,875,139,884.32
  5. Step 5: Solve for x
    x = 117,875,139,884.32/383,841.66
  6. Step 6: Final answer
    x = 307,093.14

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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.