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Finding the Fourth Proportional to 325,673.60, 488,493.12 and 104,040.32

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Solution

The fourth proportional to 325,673.60, 488,493.12 and 104,040.32 is: 156,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,673.60 : 488,493.12 = 104,040.32 : x
  2. Step 2: Convert to fraction form
    325,673.60/488,493.12 = 104,040.32/x
  3. Step 3: Cross multiply
    325,673.60x = 488,493.12 × 104,040.32
  4. Step 4: Simplify right side
    325,673.60x = 50,822,980,522.60
  5. Step 5: Solve for x
    x = 50,822,980,522.60/325,673.60
  6. Step 6: Final answer
    x = 156,054.96

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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.