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Finding the Fourth Proportional to 483,091.26, 666,668.70 and 265,309.26

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Solution

The fourth proportional to 483,091.26, 666,668.70 and 265,309.26 is: 366,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,091.26 : 666,668.70 = 265,309.26 : x
  2. Step 2: Convert to fraction form
    483,091.26/666,668.70 = 265,309.26/x
  3. Step 3: Cross multiply
    483,091.26x = 666,668.70 × 265,309.26
  4. Step 4: Simplify right side
    483,091.26x = 176,873,379,462.16
  5. Step 5: Solve for x
    x = 176,873,379,462.16/483,091.26
  6. Step 6: Final answer
    x = 366,128.30

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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.