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Finding the Fourth Proportional to 365,798.22, 504,974.12 and 275,188.76

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Solution

The fourth proportional to 365,798.22, 504,974.12 and 275,188.76 is: 379,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,798.22 : 504,974.12 = 275,188.76 : x
  2. Step 2: Convert to fraction form
    365,798.22/504,974.12 = 275,188.76/x
  3. Step 3: Cross multiply
    365,798.22x = 504,974.12 × 275,188.76
  4. Step 4: Simplify right side
    365,798.22x = 138,963,201,914.89
  5. Step 5: Solve for x
    x = 138,963,201,914.89/365,798.22
  6. Step 6: Final answer
    x = 379,890.32

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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.