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Finding the Fourth Proportional to 422,907.86, 583,559.08 and 241,631.54

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Solution

The fourth proportional to 422,907.86, 583,559.08 and 241,631.54 is: 333,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,907.86 : 583,559.08 = 241,631.54 : x
  2. Step 2: Convert to fraction form
    422,907.86/583,559.08 = 241,631.54/x
  3. Step 3: Cross multiply
    422,907.86x = 583,559.08 × 241,631.54
  4. Step 4: Simplify right side
    422,907.86x = 141,006,275,659.51
  5. Step 5: Solve for x
    x = 141,006,275,659.51/422,907.86
  6. Step 6: Final answer
    x = 333,420.79

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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.