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Finding the Fourth Proportional to 501,768.33, 692,445.27 and 272,327.65

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Solution

The fourth proportional to 501,768.33, 692,445.27 and 272,327.65 is: 375,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,768.33 : 692,445.27 = 272,327.65 : x
  2. Step 2: Convert to fraction form
    501,768.33/692,445.27 = 272,327.65/x
  3. Step 3: Cross multiply
    501,768.33x = 692,445.27 × 272,327.65
  4. Step 4: Simplify right side
    501,768.33x = 188,571,992,422.83
  5. Step 5: Solve for x
    x = 188,571,992,422.83/501,768.33
  6. Step 6: Final answer
    x = 375,814.86

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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.