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Finding the Fourth Proportional to 422,881.19, 583,011.42 and 335,954.67

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Solution

The fourth proportional to 422,881.19, 583,011.42 and 335,954.67 is: 463,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,881.19 : 583,011.42 = 335,954.67 : x
  2. Step 2: Convert to fraction form
    422,881.19/583,011.42 = 335,954.67/x
  3. Step 3: Cross multiply
    422,881.19x = 583,011.42 × 335,954.67
  4. Step 4: Simplify right side
    422,881.19x = 195,865,409,212.33
  5. Step 5: Solve for x
    x = 195,865,409,212.33/422,881.19
  6. Step 6: Final answer
    x = 463,168.89

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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.