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Finding the Fourth Proportional to 422,908.49, 583,559.94 and 241,632.16

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Solution

The fourth proportional to 422,908.49, 583,559.94 and 241,632.16 is: 333,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,908.49 : 583,559.94 = 241,632.16 : x
  2. Step 2: Convert to fraction form
    422,908.49/583,559.94 = 241,632.16/x
  3. Step 3: Cross multiply
    422,908.49x = 583,559.94 × 241,632.16
  4. Step 4: Simplify right side
    422,908.49x = 141,006,848,791.67
  5. Step 5: Solve for x
    x = 141,006,848,791.67/422,908.49
  6. Step 6: Final answer
    x = 333,421.66

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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.