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Finding the Fourth Proportional to 488,996.16, 733,252.32 and 173,405.76

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Solution

The fourth proportional to 488,996.16, 733,252.32 and 173,405.76 is: 260,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,996.16 : 733,252.32 = 173,405.76 : x
  2. Step 2: Convert to fraction form
    488,996.16/733,252.32 = 173,405.76/x
  3. Step 3: Cross multiply
    488,996.16x = 733,252.32 × 173,405.76
  4. Step 4: Simplify right side
    488,996.16x = 127,150,175,821.36
  5. Step 5: Solve for x
    x = 127,150,175,821.36/488,996.16
  6. Step 6: Final answer
    x = 260,022.85

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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.