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Finding the Fourth Proportional to 695,957, 1,043,189.22 and 455,980.28

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Solution

The fourth proportional to 695,957, 1,043,189.22 and 455,980.28 is: 683,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,957 : 1,043,189.22 = 455,980.28 : x
  2. Step 2: Convert to fraction form
    695,957/1,043,189.22 = 455,980.28/x
  3. Step 3: Cross multiply
    695,957x = 1,043,189.22 × 455,980.28
  4. Step 4: Simplify right side
    695,957x = 475,673,712,628.58
  5. Step 5: Solve for x
    x = 475,673,712,628.58/695,957
  6. Step 6: Final answer
    x = 683,481.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.