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Finding the Fourth Proportional to 424,218.81, 585,610.67 and 252,192.48

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Solution

The fourth proportional to 424,218.81, 585,610.67 and 252,192.48 is: 348,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,218.81 : 585,610.67 = 252,192.48 : x
  2. Step 2: Convert to fraction form
    424,218.81/585,610.67 = 252,192.48/x
  3. Step 3: Cross multiply
    424,218.81x = 585,610.67 × 252,192.48
  4. Step 4: Simplify right side
    424,218.81x = 147,686,607,181.76
  5. Step 5: Solve for x
    x = 147,686,607,181.76/424,218.81
  6. Step 6: Final answer
    x = 348,137.81

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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.