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Finding the Fourth Proportional to 406,068.56, 560,375.84 and 219,799.92

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Solution

The fourth proportional to 406,068.56, 560,375.84 and 219,799.92 is: 303,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,068.56 : 560,375.84 = 219,799.92 : x
  2. Step 2: Convert to fraction form
    406,068.56/560,375.84 = 219,799.92/x
  3. Step 3: Cross multiply
    406,068.56x = 560,375.84 × 219,799.92
  4. Step 4: Simplify right side
    406,068.56x = 123,170,564,801.93
  5. Step 5: Solve for x
    x = 123,170,564,801.93/406,068.56
  6. Step 6: Final answer
    x = 303,324.55

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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.