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Finding the Fourth Proportional to 671,323.29, 925,782.17 and 451,058.69

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Solution

The fourth proportional to 671,323.29, 925,782.17 and 451,058.69 is: 622,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,323.29 : 925,782.17 = 451,058.69 : x
  2. Step 2: Convert to fraction form
    671,323.29/925,782.17 = 451,058.69/x
  3. Step 3: Cross multiply
    671,323.29x = 925,782.17 × 451,058.69
  4. Step 4: Simplify right side
    671,323.29x = 417,582,088,196.65
  5. Step 5: Solve for x
    x = 417,582,088,196.65/671,323.29
  6. Step 6: Final answer
    x = 622,028.31

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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.