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Finding the Fourth Proportional to 404,652.68, 558,420.62 and 223,364.56

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Solution

The fourth proportional to 404,652.68, 558,420.62 and 223,364.56 is: 308,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,652.68 : 558,420.62 = 223,364.56 : x
  2. Step 2: Convert to fraction form
    404,652.68/558,420.62 = 223,364.56/x
  3. Step 3: Cross multiply
    404,652.68x = 558,420.62 × 223,364.56
  4. Step 4: Simplify right side
    404,652.68x = 124,731,376,081.23
  5. Step 5: Solve for x
    x = 124,731,376,081.23/404,652.68
  6. Step 6: Final answer
    x = 308,243.05

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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.