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Finding the Fourth Proportional to 569,642.97, 854,885.01 and 270,124.56

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Solution

The fourth proportional to 569,642.97, 854,885.01 and 270,124.56 is: 405,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,642.97 : 854,885.01 = 270,124.56 : x
  2. Step 2: Convert to fraction form
    569,642.97/854,885.01 = 270,124.56/x
  3. Step 3: Cross multiply
    569,642.97x = 854,885.01 × 270,124.56
  4. Step 4: Simplify right side
    569,642.97x = 230,925,437,176.85
  5. Step 5: Solve for x
    x = 230,925,437,176.85/569,642.97
  6. Step 6: Final answer
    x = 405,386.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.