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Finding the Fourth Proportional to 426,893.74, 589,094.19 and 235,903

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Solution

The fourth proportional to 426,893.74, 589,094.19 and 235,903 is: 325,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,893.74 : 589,094.19 = 235,903 : x
  2. Step 2: Convert to fraction form
    426,893.74/589,094.19 = 235,903/x
  3. Step 3: Cross multiply
    426,893.74x = 589,094.19 × 235,903
  4. Step 4: Simplify right side
    426,893.74x = 138,969,086,703.57
  5. Step 5: Solve for x
    x = 138,969,086,703.57/426,893.74
  6. Step 6: Final answer
    x = 325,535.55

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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.