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Finding the Fourth Proportional to 481,652.09, 664,701.77 and 266,792.13

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Solution

The fourth proportional to 481,652.09, 664,701.77 and 266,792.13 is: 368,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,652.09 : 664,701.77 = 266,792.13 : x
  2. Step 2: Convert to fraction form
    481,652.09/664,701.77 = 266,792.13/x
  3. Step 3: Cross multiply
    481,652.09x = 664,701.77 × 266,792.13
  4. Step 4: Simplify right side
    481,652.09x = 177,337,201,033.07
  5. Step 5: Solve for x
    x = 177,337,201,033.07/481,652.09
  6. Step 6: Final answer
    x = 368,185.26

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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.