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Finding the Fourth Proportional to 301,928.80, 452,893.20 and 269,269.60

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Solution

The fourth proportional to 301,928.80, 452,893.20 and 269,269.60 is: 403,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,928.80 : 452,893.20 = 269,269.60 : x
  2. Step 2: Convert to fraction form
    301,928.80/452,893.20 = 269,269.60/x
  3. Step 3: Cross multiply
    301,928.80x = 452,893.20 × 269,269.60
  4. Step 4: Simplify right side
    301,928.80x = 121,950,370,806.72
  5. Step 5: Solve for x
    x = 121,950,370,806.72/301,928.80
  6. Step 6: Final answer
    x = 403,904.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.