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Finding the Fourth Proportional to 444,781.84, 613,790.16 and 253,764.40

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Solution

The fourth proportional to 444,781.84, 613,790.16 and 253,764.40 is: 350,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,781.84 : 613,790.16 = 253,764.40 : x
  2. Step 2: Convert to fraction form
    444,781.84/613,790.16 = 253,764.40/x
  3. Step 3: Cross multiply
    444,781.84x = 613,790.16 × 253,764.40
  4. Step 4: Simplify right side
    444,781.84x = 155,758,091,678.30
  5. Step 5: Solve for x
    x = 155,758,091,678.30/444,781.84
  6. Step 6: Final answer
    x = 350,189.86

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1.5x scale

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.