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Finding the Fourth Proportional to 443,436.93, 611,893.44 and 249,853.41

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Solution

The fourth proportional to 443,436.93, 611,893.44 and 249,853.41 is: 344,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,436.93 : 611,893.44 = 249,853.41 : x
  2. Step 2: Convert to fraction form
    443,436.93/611,893.44 = 249,853.41/x
  3. Step 3: Cross multiply
    443,436.93x = 611,893.44 × 249,853.41
  4. Step 4: Simplify right side
    443,436.93x = 152,883,662,540.63
  5. Step 5: Solve for x
    x = 152,883,662,540.63/443,436.93
  6. Step 6: Final answer
    x = 344,769.80

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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.