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Finding the Fourth Proportional to 424,294.90, 585,381.26 and 263,091.94

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Solution

The fourth proportional to 424,294.90, 585,381.26 and 263,091.94 is: 362,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,294.90 : 585,381.26 = 263,091.94 : x
  2. Step 2: Convert to fraction form
    424,294.90/585,381.26 = 263,091.94/x
  3. Step 3: Cross multiply
    424,294.90x = 585,381.26 × 263,091.94
  4. Step 4: Simplify right side
    424,294.90x = 154,009,091,333.04
  5. Step 5: Solve for x
    x = 154,009,091,333.04/424,294.90
  6. Step 6: Final answer
    x = 362,976.53

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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.