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Finding the Fourth Proportional to 325,763.36, 488,626.32 and 193,483.84

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Solution

The fourth proportional to 325,763.36, 488,626.32 and 193,483.84 is: 290,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,763.36 : 488,626.32 = 193,483.84 : x
  2. Step 2: Convert to fraction form
    325,763.36/488,626.32 = 193,483.84/x
  3. Step 3: Cross multiply
    325,763.36x = 488,626.32 × 193,483.84
  4. Step 4: Simplify right side
    325,763.36x = 94,541,296,718.67
  5. Step 5: Solve for x
    x = 94,541,296,718.67/325,763.36
  6. Step 6: Final answer
    x = 290,214.64

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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.