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Finding the Fourth Proportional to 634,375.94, 875,198.59 and 404,941.82

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Solution

The fourth proportional to 634,375.94, 875,198.59 and 404,941.82 is: 558,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,375.94 : 875,198.59 = 404,941.82 : x
  2. Step 2: Convert to fraction form
    634,375.94/875,198.59 = 404,941.82/x
  3. Step 3: Cross multiply
    634,375.94x = 875,198.59 × 404,941.82
  4. Step 4: Simplify right side
    634,375.94x = 354,404,504,507.69
  5. Step 5: Solve for x
    x = 354,404,504,507.69/634,375.94
  6. Step 6: Final answer
    x = 558,666.38

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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.