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Finding the Fourth Proportional to 468,811.58, 646,959.93 and 253,951.59

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Solution

The fourth proportional to 468,811.58, 646,959.93 and 253,951.59 is: 350,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,811.58 : 646,959.93 = 253,951.59 : x
  2. Step 2: Convert to fraction form
    468,811.58/646,959.93 = 253,951.59/x
  3. Step 3: Cross multiply
    468,811.58x = 646,959.93 × 253,951.59
  4. Step 4: Simplify right side
    468,811.58x = 164,296,505,596.50
  5. Step 5: Solve for x
    x = 164,296,505,596.50/468,811.58
  6. Step 6: Final answer
    x = 350,453.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.