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Finding the Fourth Proportional to 606,803.70, 910,611.89 and 251,818.07

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Solution

The fourth proportional to 606,803.70, 910,611.89 and 251,818.07 is: 377,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,803.70 : 910,611.89 = 251,818.07 : x
  2. Step 2: Convert to fraction form
    606,803.70/910,611.89 = 251,818.07/x
  3. Step 3: Cross multiply
    606,803.70x = 910,611.89 × 251,818.07
  4. Step 4: Simplify right side
    606,803.70x = 229,308,523,791.02
  5. Step 5: Solve for x
    x = 229,308,523,791.02/606,803.70
  6. Step 6: Final answer
    x = 377,895.72

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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.