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Finding the Fourth Proportional to 609,805.56, 914,535.48 and 384,828.96

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Solution

The fourth proportional to 609,805.56, 914,535.48 and 384,828.96 is: 577,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,805.56 : 914,535.48 = 384,828.96 : x
  2. Step 2: Convert to fraction form
    609,805.56/914,535.48 = 384,828.96/x
  3. Step 3: Cross multiply
    609,805.56x = 914,535.48 × 384,828.96
  4. Step 4: Simplify right side
    609,805.56x = 351,939,737,651.50
  5. Step 5: Solve for x
    x = 351,939,737,651.50/609,805.56
  6. Step 6: Final answer
    x = 577,134.35

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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.