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Finding the Fourth Proportional to 289,944.45, 400,506.59 and 241,703.96

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Solution

The fourth proportional to 289,944.45, 400,506.59 and 241,703.96 is: 333,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,944.45 : 400,506.59 = 241,703.96 : x
  2. Step 2: Convert to fraction form
    289,944.45/400,506.59 = 241,703.96/x
  3. Step 3: Cross multiply
    289,944.45x = 400,506.59 × 241,703.96
  4. Step 4: Simplify right side
    289,944.45x = 96,804,027,410.82
  5. Step 5: Solve for x
    x = 96,804,027,410.82/289,944.45
  6. Step 6: Final answer
    x = 333,870.94

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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.