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Finding the Fourth Proportional to 607,163.70, 910,016.55 and 251,994.90

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Solution

The fourth proportional to 607,163.70, 910,016.55 and 251,994.90 is: 377,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,163.70 : 910,016.55 = 251,994.90 : x
  2. Step 2: Convert to fraction form
    607,163.70/910,016.55 = 251,994.90/x
  3. Step 3: Cross multiply
    607,163.70x = 910,016.55 × 251,994.90
  4. Step 4: Simplify right side
    607,163.70x = 229,319,529,515.60
  5. Step 5: Solve for x
    x = 229,319,529,515.60/607,163.70
  6. Step 6: Final answer
    x = 377,689.79

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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.