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Finding the Fourth Proportional to 404,583.59, 558,322.60 and 223,295.51

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Solution

The fourth proportional to 404,583.59, 558,322.60 and 223,295.51 is: 308,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,583.59 : 558,322.60 = 223,295.51 : x
  2. Step 2: Convert to fraction form
    404,583.59/558,322.60 = 223,295.51/x
  3. Step 3: Cross multiply
    404,583.59x = 558,322.60 × 223,295.51
  4. Step 4: Simplify right side
    404,583.59x = 124,670,930,549.09
  5. Step 5: Solve for x
    x = 124,670,930,549.09/404,583.59
  6. Step 6: Final answer
    x = 308,146.29

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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.