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Finding the Fourth Proportional to 294,021.60, 441,262.80 and 136,269.60

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Solution

The fourth proportional to 294,021.60, 441,262.80 and 136,269.60 is: 204,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,021.60 : 441,262.80 = 136,269.60 : x
  2. Step 2: Convert to fraction form
    294,021.60/441,262.80 = 136,269.60/x
  3. Step 3: Cross multiply
    294,021.60x = 441,262.80 × 136,269.60
  4. Step 4: Simplify right side
    294,021.60x = 60,130,705,250.88
  5. Step 5: Solve for x
    x = 60,130,705,250.88/294,021.60
  6. Step 6: Final answer
    x = 204,511.18

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1.5x scale

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.