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Finding the Fourth Proportional to 424,288.90, 585,372.99 and 263,085.94

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Solution

The fourth proportional to 424,288.90, 585,372.99 and 263,085.94 is: 362,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,288.90 : 585,372.99 = 263,085.94 : x
  2. Step 2: Convert to fraction form
    424,288.90/585,372.99 = 263,085.94/x
  3. Step 3: Cross multiply
    424,288.90x = 585,372.99 × 263,085.94
  4. Step 4: Simplify right side
    424,288.90x = 154,003,403,324.76
  5. Step 5: Solve for x
    x = 154,003,403,324.76/424,288.90
  6. Step 6: Final answer
    x = 362,968.26

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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.