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Finding the Fourth Proportional to 365,890.12, 504,768.10 and 214,919.08

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Solution

The fourth proportional to 365,890.12, 504,768.10 and 214,919.08 is: 296,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,890.12 : 504,768.10 = 214,919.08 : x
  2. Step 2: Convert to fraction form
    365,890.12/504,768.10 = 214,919.08/x
  3. Step 3: Cross multiply
    365,890.12x = 504,768.10 × 214,919.08
  4. Step 4: Simplify right side
    365,890.12x = 108,484,295,665.35
  5. Step 5: Solve for x
    x = 108,484,295,665.35/365,890.12
  6. Step 6: Final answer
    x = 296,494.19

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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.