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Finding the Fourth Proportional to 303,924.80, 456,664.80 and 269,710.40

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Solution

The fourth proportional to 303,924.80, 456,664.80 and 269,710.40 is: 405,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,924.80 : 456,664.80 = 269,710.40 : x
  2. Step 2: Convert to fraction form
    303,924.80/456,664.80 = 269,710.40/x
  3. Step 3: Cross multiply
    303,924.80x = 456,664.80 × 269,710.40
  4. Step 4: Simplify right side
    303,924.80x = 123,167,245,873.92
  5. Step 5: Solve for x
    x = 123,167,245,873.92/303,924.80
  6. Step 6: Final answer
    x = 405,255.66

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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.