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Finding the Fourth Proportional to 424,283.90, 585,366.09 and 263,080.94

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Solution

The fourth proportional to 424,283.90, 585,366.09 and 263,080.94 is: 362,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,283.90 : 585,366.09 = 263,080.94 : x
  2. Step 2: Convert to fraction form
    424,283.90/585,366.09 = 263,080.94/x
  3. Step 3: Cross multiply
    424,283.90x = 585,366.09 × 263,080.94
  4. Step 4: Simplify right side
    424,283.90x = 153,998,661,201.33
  5. Step 5: Solve for x
    x = 153,998,661,201.33/424,283.90
  6. Step 6: Final answer
    x = 362,961.36

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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.