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Finding the Fourth Proportional to 450,532.26, 621,791.10 and 295,613.82

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Solution

The fourth proportional to 450,532.26, 621,791.10 and 295,613.82 is: 407,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,532.26 : 621,791.10 = 295,613.82 : x
  2. Step 2: Convert to fraction form
    450,532.26/621,791.10 = 295,613.82/x
  3. Step 3: Cross multiply
    450,532.26x = 621,791.10 × 295,613.82
  4. Step 4: Simplify right side
    450,532.26x = 183,810,042,313.00
  5. Step 5: Solve for x
    x = 183,810,042,313.00/450,532.26
  6. Step 6: Final answer
    x = 407,984.20

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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.