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Finding the Fourth Proportional to 422,597.28, 583,248.48 and 269,701.44

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Solution

The fourth proportional to 422,597.28, 583,248.48 and 269,701.44 is: 372,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597.28 : 583,248.48 = 269,701.44 : x
  2. Step 2: Convert to fraction form
    422,597.28/583,248.48 = 269,701.44/x
  3. Step 3: Cross multiply
    422,597.28x = 583,248.48 × 269,701.44
  4. Step 4: Simplify right side
    422,597.28x = 157,302,954,933.81
  5. Step 5: Solve for x
    x = 157,302,954,933.81/422,597.28
  6. Step 6: Final answer
    x = 372,228.98

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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.