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Finding the Fourth Proportional to 605,205.40, 907,808.10 and 184,480.60

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Solution

The fourth proportional to 605,205.40, 907,808.10 and 184,480.60 is: 276,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,205.40 : 907,808.10 = 184,480.60 : x
  2. Step 2: Convert to fraction form
    605,205.40/907,808.10 = 184,480.60/x
  3. Step 3: Cross multiply
    605,205.40x = 907,808.10 × 184,480.60
  4. Step 4: Simplify right side
    605,205.40x = 167,472,982,972.86
  5. Step 5: Solve for x
    x = 167,472,982,972.86/605,205.40
  6. Step 6: Final answer
    x = 276,720.90

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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.