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Finding the Fourth Proportional to 365,798.34, 504,974.32 and 275,188.88

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Solution

The fourth proportional to 365,798.34, 504,974.32 and 275,188.88 is: 379,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,798.34 : 504,974.32 = 275,188.88 : x
  2. Step 2: Convert to fraction form
    365,798.34/504,974.32 = 275,188.88/x
  3. Step 3: Cross multiply
    365,798.34x = 504,974.32 × 275,188.88
  4. Step 4: Simplify right side
    365,798.34x = 138,963,318,124.03
  5. Step 5: Solve for x
    x = 138,963,318,124.03/365,798.34
  6. Step 6: Final answer
    x = 379,890.51

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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.