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Finding the Fourth Proportional to 325,792.32, 488,741.44 and 115,384.64

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Solution

The fourth proportional to 325,792.32, 488,741.44 and 115,384.64 is: 173,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,792.32 : 488,741.44 = 115,384.64 : x
  2. Step 2: Convert to fraction form
    325,792.32/488,741.44 = 115,384.64/x
  3. Step 3: Cross multiply
    325,792.32x = 488,741.44 × 115,384.64
  4. Step 4: Simplify right side
    325,792.32x = 56,393,255,107.48
  5. Step 5: Solve for x
    x = 56,393,255,107.48/325,792.32
  6. Step 6: Final answer
    x = 173,095.72

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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.