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Finding the Fourth Proportional to 606,416.70, 908,896.05 and 251,247.90

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Solution

The fourth proportional to 606,416.70, 908,896.05 and 251,247.90 is: 376,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,416.70 : 908,896.05 = 251,247.90 : x
  2. Step 2: Convert to fraction form
    606,416.70/908,896.05 = 251,247.90/x
  3. Step 3: Cross multiply
    606,416.70x = 908,896.05 × 251,247.90
  4. Step 4: Simplify right side
    606,416.70x = 228,358,223,880.80
  5. Step 5: Solve for x
    x = 228,358,223,880.80/606,416.70
  6. Step 6: Final answer
    x = 376,569.81

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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.