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Finding the Fourth Proportional to 406,353.37, 560,743.02 and 225,054.49

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Solution

The fourth proportional to 406,353.37, 560,743.02 and 225,054.49 is: 310,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,353.37 : 560,743.02 = 225,054.49 : x
  2. Step 2: Convert to fraction form
    406,353.37/560,743.02 = 225,054.49/x
  3. Step 3: Cross multiply
    406,353.37x = 560,743.02 × 225,054.49
  4. Step 4: Simplify right side
    406,353.37x = 126,197,733,261.89
  5. Step 5: Solve for x
    x = 126,197,733,261.89/406,353.37
  6. Step 6: Final answer
    x = 310,561.55

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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.