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Finding the Fourth Proportional to 365,927.76, 504,919.24 and 215,053.84

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Solution

The fourth proportional to 365,927.76, 504,919.24 and 215,053.84 is: 296,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,927.76 : 504,919.24 = 215,053.84 : x
  2. Step 2: Convert to fraction form
    365,927.76/504,919.24 = 215,053.84/x
  3. Step 3: Cross multiply
    365,927.76x = 504,919.24 × 215,053.84
  4. Step 4: Simplify right side
    365,927.76x = 108,584,821,451.88
  5. Step 5: Solve for x
    x = 108,584,821,451.88/365,927.76
  6. Step 6: Final answer
    x = 296,738.41

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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.