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Finding the Fourth Proportional to 438,207.75, 604,726.74 and 237,003.75

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Solution

The fourth proportional to 438,207.75, 604,726.74 and 237,003.75 is: 327,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,207.75 : 604,726.74 = 237,003.75 : x
  2. Step 2: Convert to fraction form
    438,207.75/604,726.74 = 237,003.75/x
  3. Step 3: Cross multiply
    438,207.75x = 604,726.74 × 237,003.75
  4. Step 4: Simplify right side
    438,207.75x = 143,322,505,105.28
  5. Step 5: Solve for x
    x = 143,322,505,105.28/438,207.75
  6. Step 6: Final answer
    x = 327,065.20

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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.