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Finding the Fourth Proportional to 422,546.96, 583,130.80 and 241,288.40

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Solution

The fourth proportional to 422,546.96, 583,130.80 and 241,288.40 is: 332,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,546.96 : 583,130.80 = 241,288.40 : x
  2. Step 2: Convert to fraction form
    422,546.96/583,130.80 = 241,288.40/x
  3. Step 3: Cross multiply
    422,546.96x = 583,130.80 × 241,288.40
  4. Step 4: Simplify right side
    422,546.96x = 140,702,697,722.72
  5. Step 5: Solve for x
    x = 140,702,697,722.72/422,546.96
  6. Step 6: Final answer
    x = 332,987.13

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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.