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Finding the Fourth Proportional to 269,539.60, 404,309.40 and 252,043.60

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Solution

The fourth proportional to 269,539.60, 404,309.40 and 252,043.60 is: 378,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,539.60 : 404,309.40 = 252,043.60 : x
  2. Step 2: Convert to fraction form
    269,539.60/404,309.40 = 252,043.60/x
  3. Step 3: Cross multiply
    269,539.60x = 404,309.40 × 252,043.60
  4. Step 4: Simplify right side
    269,539.60x = 101,903,596,689.84
  5. Step 5: Solve for x
    x = 101,903,596,689.84/269,539.60
  6. Step 6: Final answer
    x = 378,065.40

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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.