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Finding the Fourth Proportional to 438,169.32, 604,125.81 and 365,676.48

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Solution

The fourth proportional to 438,169.32, 604,125.81 and 365,676.48 is: 504,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,169.32 : 604,125.81 = 365,676.48 : x
  2. Step 2: Convert to fraction form
    438,169.32/604,125.81 = 365,676.48/x
  3. Step 3: Cross multiply
    438,169.32x = 604,125.81 × 365,676.48
  4. Step 4: Simplify right side
    438,169.32x = 220,914,599,677.95
  5. Step 5: Solve for x
    x = 220,914,599,677.95/438,169.32
  6. Step 6: Final answer
    x = 504,176.33

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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.