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Finding the Fourth Proportional to 438,363.88, 604,939.62 and 237,155.56

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Solution

The fourth proportional to 438,363.88, 604,939.62 and 237,155.56 is: 327,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,363.88 : 604,939.62 = 237,155.56 : x
  2. Step 2: Convert to fraction form
    438,363.88/604,939.62 = 237,155.56/x
  3. Step 3: Cross multiply
    438,363.88x = 604,939.62 × 237,155.56
  4. Step 4: Simplify right side
    438,363.88x = 143,464,794,347.29
  5. Step 5: Solve for x
    x = 143,464,794,347.29/438,363.88
  6. Step 6: Final answer
    x = 327,273.30

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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.