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Finding the Fourth Proportional to 406,334.94, 560,743.83 and 236,685.66

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Solution

The fourth proportional to 406,334.94, 560,743.83 and 236,685.66 is: 326,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,334.94 : 560,743.83 = 236,685.66 : x
  2. Step 2: Convert to fraction form
    406,334.94/560,743.83 = 236,685.66/x
  3. Step 3: Cross multiply
    406,334.94x = 560,743.83 × 236,685.66
  4. Step 4: Simplify right side
    406,334.94x = 132,720,023,494.48
  5. Step 5: Solve for x
    x = 132,720,023,494.48/406,334.94
  6. Step 6: Final answer
    x = 326,627.15

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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.