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Finding the Fourth Proportional to 606,416.20, 908,895.30 and 251,247.40

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Solution

The fourth proportional to 606,416.20, 908,895.30 and 251,247.40 is: 376,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,416.20 : 908,895.30 = 251,247.40 : x
  2. Step 2: Convert to fraction form
    606,416.20/908,895.30 = 251,247.40/x
  3. Step 3: Cross multiply
    606,416.20x = 908,895.30 × 251,247.40
  4. Step 4: Simplify right side
    606,416.20x = 228,357,580,997.22
  5. Step 5: Solve for x
    x = 228,357,580,997.22/606,416.20
  6. Step 6: Final answer
    x = 376,569.06

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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.