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Finding the Fourth Proportional to 605,374.22, 908,056.47 and 226,390.61

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Solution

The fourth proportional to 605,374.22, 908,056.47 and 226,390.61 is: 339,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,374.22 : 908,056.47 = 226,390.61 : x
  2. Step 2: Convert to fraction form
    605,374.22/908,056.47 = 226,390.61/x
  3. Step 3: Cross multiply
    605,374.22x = 908,056.47 × 226,390.61
  4. Step 4: Simplify right side
    605,374.22x = 205,575,461,276.85
  5. Step 5: Solve for x
    x = 205,575,461,276.85/605,374.22
  6. Step 6: Final answer
    x = 339,584.10

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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.