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Finding the Fourth Proportional to 406,236.61, 560,605.66 and 234,153.41

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Solution

The fourth proportional to 406,236.61, 560,605.66 and 234,153.41 is: 323,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,236.61 : 560,605.66 = 234,153.41 : x
  2. Step 2: Convert to fraction form
    406,236.61/560,605.66 = 234,153.41/x
  3. Step 3: Cross multiply
    406,236.61x = 560,605.66 × 234,153.41
  4. Step 4: Simplify right side
    406,236.61x = 131,267,726,954.30
  5. Step 5: Solve for x
    x = 131,267,726,954.30/406,236.61
  6. Step 6: Final answer
    x = 323,131.21

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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.