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Finding the Fourth Proportional to 365,394.32, 503,993.97 and 238,242.14

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Solution

The fourth proportional to 365,394.32, 503,993.97 and 238,242.14 is: 328,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,394.32 : 503,993.97 = 238,242.14 : x
  2. Step 2: Convert to fraction form
    365,394.32/503,993.97 = 238,242.14/x
  3. Step 3: Cross multiply
    365,394.32x = 503,993.97 × 238,242.14
  4. Step 4: Simplify right side
    365,394.32x = 120,072,599,439.93
  5. Step 5: Solve for x
    x = 120,072,599,439.93/365,394.32
  6. Step 6: Final answer
    x = 328,611.02

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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.