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Finding the Fourth Proportional to 404,740.88, 558,543.26 and 223,453.16

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Solution

The fourth proportional to 404,740.88, 558,543.26 and 223,453.16 is: 308,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,740.88 : 558,543.26 = 223,453.16 : x
  2. Step 2: Convert to fraction form
    404,740.88/558,543.26 = 223,453.16/x
  3. Step 3: Cross multiply
    404,740.88x = 558,543.26 × 223,453.16
  4. Step 4: Simplify right side
    404,740.88x = 124,808,256,443.70
  5. Step 5: Solve for x
    x = 124,808,256,443.70/404,740.88
  6. Step 6: Final answer
    x = 308,365.83

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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.