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Finding the Fourth Proportional to 609,252.40, 840,656.26 and 351,093.15

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Solution

The fourth proportional to 609,252.40, 840,656.26 and 351,093.15 is: 484,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,252.40 : 840,656.26 = 351,093.15 : x
  2. Step 2: Convert to fraction form
    609,252.40/840,656.26 = 351,093.15/x
  3. Step 3: Cross multiply
    609,252.40x = 840,656.26 × 351,093.15
  4. Step 4: Simplify right side
    609,252.40x = 295,148,653,512.89
  5. Step 5: Solve for x
    x = 295,148,653,512.89/609,252.40
  6. Step 6: Final answer
    x = 484,443.98

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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.