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Finding the Fourth Proportional to 325,671.60, 488,490.12 and 104,038.32

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Solution

The fourth proportional to 325,671.60, 488,490.12 and 104,038.32 is: 156,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,671.60 : 488,490.12 = 104,038.32 : x
  2. Step 2: Convert to fraction form
    325,671.60/488,490.12 = 104,038.32/x
  3. Step 3: Cross multiply
    325,671.60x = 488,490.12 × 104,038.32
  4. Step 4: Simplify right side
    325,671.60x = 50,821,691,421.40
  5. Step 5: Solve for x
    x = 50,821,691,421.40/325,671.60
  6. Step 6: Final answer
    x = 156,051.96

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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.