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Finding the Fourth Proportional to 471,383.36, 651,165 and 453,884.60

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Solution

The fourth proportional to 471,383.36, 651,165 and 453,884.60 is: 626,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,383.36 : 651,165 = 453,884.60 : x
  2. Step 2: Convert to fraction form
    471,383.36/651,165 = 453,884.60/x
  3. Step 3: Cross multiply
    471,383.36x = 651,165 × 453,884.60
  4. Step 4: Simplify right side
    471,383.36x = 295,553,765,559
  5. Step 5: Solve for x
    x = 295,553,765,559/471,383.36
  6. Step 6: Final answer
    x = 626,992.36

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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.