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Finding the Fourth Proportional to 751,707, 1,037,355.73 and 412,182.54

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Solution

The fourth proportional to 751,707, 1,037,355.73 and 412,182.54 is: 568,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,707 : 1,037,355.73 = 412,182.54 : x
  2. Step 2: Convert to fraction form
    751,707/1,037,355.73 = 412,182.54/x
  3. Step 3: Cross multiply
    751,707x = 1,037,355.73 × 412,182.54
  4. Step 4: Simplify right side
    751,707x = 427,579,918,644.50
  5. Step 5: Solve for x
    x = 427,579,918,644.50/751,707
  6. Step 6: Final answer
    x = 568,811.94

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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.