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Finding the Fourth Proportional to 488,995.02, 733,430.22 and 189,270.54

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Solution

The fourth proportional to 488,995.02, 733,430.22 and 189,270.54 is: 283,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,995.02 : 733,430.22 = 189,270.54 : x
  2. Step 2: Convert to fraction form
    488,995.02/733,430.22 = 189,270.54/x
  3. Step 3: Cross multiply
    488,995.02x = 733,430.22 × 189,270.54
  4. Step 4: Simplify right side
    488,995.02x = 138,816,733,791.72
  5. Step 5: Solve for x
    x = 138,816,733,791.72/488,995.02
  6. Step 6: Final answer
    x = 283,881.69

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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.