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Finding the Fourth Proportional to 415,969.82, 573,774.09 and 272,739.14

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Solution

The fourth proportional to 415,969.82, 573,774.09 and 272,739.14 is: 376,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,969.82 : 573,774.09 = 272,739.14 : x
  2. Step 2: Convert to fraction form
    415,969.82/573,774.09 = 272,739.14/x
  3. Step 3: Cross multiply
    415,969.82x = 573,774.09 × 272,739.14
  4. Step 4: Simplify right side
    415,969.82x = 156,490,651,860.88
  5. Step 5: Solve for x
    x = 156,490,651,860.88/415,969.82
  6. Step 6: Final answer
    x = 376,206.74

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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.