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Finding the Fourth Proportional to 605,494.12, 908,802.06 and 306,186.52

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Solution

The fourth proportional to 605,494.12, 908,802.06 and 306,186.52 is: 459,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,494.12 : 908,802.06 = 306,186.52 : x
  2. Step 2: Convert to fraction form
    605,494.12/908,802.06 = 306,186.52/x
  3. Step 3: Cross multiply
    605,494.12x = 908,802.06 × 306,186.52
  4. Step 4: Simplify right side
    605,494.12x = 278,262,940,120.23
  5. Step 5: Solve for x
    x = 278,262,940,120.23/605,494.12
  6. Step 6: Final answer
    x = 459,563.41

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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.