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Finding the Fourth Proportional to 365,783.46, 504,953.75 and 275,173.92

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Solution

The fourth proportional to 365,783.46, 504,953.75 and 275,173.92 is: 379,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,783.46 : 504,953.75 = 275,173.92 : x
  2. Step 2: Convert to fraction form
    365,783.46/504,953.75 = 275,173.92/x
  3. Step 3: Cross multiply
    365,783.46x = 504,953.75 × 275,173.92
  4. Step 4: Simplify right side
    365,783.46x = 138,950,101,430.33
  5. Step 5: Solve for x
    x = 138,950,101,430.33/365,783.46
  6. Step 6: Final answer
    x = 379,869.83

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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.