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Finding the Fourth Proportional to 443,665.94, 612,224.26 and 252,642.02

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Solution

The fourth proportional to 443,665.94, 612,224.26 and 252,642.02 is: 348,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,665.94 : 612,224.26 = 252,642.02 : x
  2. Step 2: Convert to fraction form
    443,665.94/612,224.26 = 252,642.02/x
  3. Step 3: Cross multiply
    443,665.94x = 612,224.26 × 252,642.02
  4. Step 4: Simplify right side
    443,665.94x = 154,673,570,046.68
  5. Step 5: Solve for x
    x = 154,673,570,046.68/443,665.94
  6. Step 6: Final answer
    x = 348,626.20

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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.