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Finding the Fourth Proportional to 603,661.82, 832,999.14 and 331,726.59

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Solution

The fourth proportional to 603,661.82, 832,999.14 and 331,726.59 is: 457,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,661.82 : 832,999.14 = 331,726.59 : x
  2. Step 2: Convert to fraction form
    603,661.82/832,999.14 = 331,726.59/x
  3. Step 3: Cross multiply
    603,661.82x = 832,999.14 × 331,726.59
  4. Step 4: Simplify right side
    603,661.82x = 276,327,964,185.13
  5. Step 5: Solve for x
    x = 276,327,964,185.13/603,661.82
  6. Step 6: Final answer
    x = 457,752.93

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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.