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Finding the Fourth Proportional to 468,496.92, 646,529.26 and 253,640.60

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Solution

The fourth proportional to 468,496.92, 646,529.26 and 253,640.60 is: 350,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,496.92 : 646,529.26 = 253,640.60 : x
  2. Step 2: Convert to fraction form
    468,496.92/646,529.26 = 253,640.60/x
  3. Step 3: Cross multiply
    468,496.92x = 646,529.26 × 253,640.60
  4. Step 4: Simplify right side
    468,496.92x = 163,986,069,423.96
  5. Step 5: Solve for x
    x = 163,986,069,423.96/468,496.92
  6. Step 6: Final answer
    x = 350,025.93

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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.