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Finding the Fourth Proportional to 406,060.44, 560,378.40 and 222,311.88

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Solution

The fourth proportional to 406,060.44, 560,378.40 and 222,311.88 is: 306,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,060.44 : 560,378.40 = 222,311.88 : x
  2. Step 2: Convert to fraction form
    406,060.44/560,378.40 = 222,311.88/x
  3. Step 3: Cross multiply
    406,060.44x = 560,378.40 × 222,311.88
  4. Step 4: Simplify right side
    406,060.44x = 124,578,775,615.39
  5. Step 5: Solve for x
    x = 124,578,775,615.39/406,060.44
  6. Step 6: Final answer
    x = 306,798.60

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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.