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Finding the Fourth Proportional to 422,961.06, 583,728.90 and 241,699.77

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Solution

The fourth proportional to 422,961.06, 583,728.90 and 241,699.77 is: 333,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,961.06 : 583,728.90 = 241,699.77 : x
  2. Step 2: Convert to fraction form
    422,961.06/583,728.90 = 241,699.77/x
  3. Step 3: Cross multiply
    422,961.06x = 583,728.90 × 241,699.77
  4. Step 4: Simplify right side
    422,961.06x = 141,087,139,965.98
  5. Step 5: Solve for x
    x = 141,087,139,965.98/422,961.06
  6. Step 6: Final answer
    x = 333,570.04

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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.