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Finding the Fourth Proportional to 325,705.85, 488,564.87 and 101,073.60

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Solution

The fourth proportional to 325,705.85, 488,564.87 and 101,073.60 is: 151,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,705.85 : 488,564.87 = 101,073.60 : x
  2. Step 2: Convert to fraction form
    325,705.85/488,564.87 = 101,073.60/x
  3. Step 3: Cross multiply
    325,705.85x = 488,564.87 × 101,073.60
  4. Step 4: Simplify right side
    325,705.85x = 49,381,009,739.06
  5. Step 5: Solve for x
    x = 49,381,009,739.06/325,705.85
  6. Step 6: Final answer
    x = 151,612.29

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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.