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Finding the Fourth Proportional to 359,496.23, 496,284.57 and 223,573.97

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Solution

The fourth proportional to 359,496.23, 496,284.57 and 223,573.97 is: 308,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,496.23 : 496,284.57 = 223,573.97 : x
  2. Step 2: Convert to fraction form
    359,496.23/496,284.57 = 223,573.97/x
  3. Step 3: Cross multiply
    359,496.23x = 496,284.57 × 223,573.97
  4. Step 4: Simplify right side
    359,496.23x = 110,956,311,564.64
  5. Step 5: Solve for x
    x = 110,956,311,564.64/359,496.23
  6. Step 6: Final answer
    x = 308,643.88

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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.