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Finding the Fourth Proportional to 293,782.38, 440,673.60 and 193,919.25

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Solution

The fourth proportional to 293,782.38, 440,673.60 and 193,919.25 is: 290,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,782.38 : 440,673.60 = 193,919.25 : x
  2. Step 2: Convert to fraction form
    293,782.38/440,673.60 = 193,919.25/x
  3. Step 3: Cross multiply
    293,782.38x = 440,673.60 × 193,919.25
  4. Step 4: Simplify right side
    293,782.38x = 85,455,094,006.80
  5. Step 5: Solve for x
    x = 85,455,094,006.80/293,782.38
  6. Step 6: Final answer
    x = 290,878.89

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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.