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Finding the Fourth Proportional to 646,349.80, 969,573.30 and 173,024.68

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Solution

The fourth proportional to 646,349.80, 969,573.30 and 173,024.68 is: 259,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,349.80 : 969,573.30 = 173,024.68 : x
  2. Step 2: Convert to fraction form
    646,349.80/969,573.30 = 173,024.68/x
  3. Step 3: Cross multiply
    646,349.80x = 969,573.30 × 173,024.68
  4. Step 4: Simplify right side
    646,349.80x = 167,760,109,969.04
  5. Step 5: Solve for x
    x = 167,760,109,969.04/646,349.80
  6. Step 6: Final answer
    x = 259,550.03

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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.