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Finding the Fourth Proportional to 422,991.92, 583,758.54 and 241,730.63

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Solution

The fourth proportional to 422,991.92, 583,758.54 and 241,730.63 is: 333,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,991.92 : 583,758.54 = 241,730.63 : x
  2. Step 2: Convert to fraction form
    422,991.92/583,758.54 = 241,730.63/x
  3. Step 3: Cross multiply
    422,991.92x = 583,758.54 × 241,730.63
  4. Step 4: Simplify right side
    422,991.92x = 141,112,319,642.08
  5. Step 5: Solve for x
    x = 141,112,319,642.08/422,991.92
  6. Step 6: Final answer
    x = 333,605.24

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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.