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Finding the Fourth Proportional to 297,343.80, 410,122.44 and 272,893.35

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Solution

The fourth proportional to 297,343.80, 410,122.44 and 272,893.35 is: 376,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,343.80 : 410,122.44 = 272,893.35 : x
  2. Step 2: Convert to fraction form
    297,343.80/410,122.44 = 272,893.35/x
  3. Step 3: Cross multiply
    297,343.80x = 410,122.44 × 272,893.35
  4. Step 4: Simplify right side
    297,343.80x = 111,919,686,561.77
  5. Step 5: Solve for x
    x = 111,919,686,561.77/297,343.80
  6. Step 6: Final answer
    x = 376,398.25

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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.