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Finding the Fourth Proportional to 605,128.88, 907,693.40 and 184,405.04

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Solution

The fourth proportional to 605,128.88, 907,693.40 and 184,405.04 is: 276,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,128.88 : 907,693.40 = 184,405.04 : x
  2. Step 2: Convert to fraction form
    605,128.88/907,693.40 = 184,405.04/x
  3. Step 3: Cross multiply
    605,128.88x = 907,693.40 × 184,405.04
  4. Step 4: Simplify right side
    605,128.88x = 167,383,237,734.74
  5. Step 5: Solve for x
    x = 167,383,237,734.74/605,128.88
  6. Step 6: Final answer
    x = 276,607.58

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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.