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Finding the Fourth Proportional to 468,820.54, 646,975.46 and 253,960.62

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Solution

The fourth proportional to 468,820.54, 646,975.46 and 253,960.62 is: 350,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,820.54 : 646,975.46 = 253,960.62 : x
  2. Step 2: Convert to fraction form
    468,820.54/646,975.46 = 253,960.62/x
  3. Step 3: Cross multiply
    468,820.54x = 646,975.46 × 253,960.62
  4. Step 4: Simplify right side
    468,820.54x = 164,306,288,946.39
  5. Step 5: Solve for x
    x = 164,306,288,946.39/468,820.54
  6. Step 6: Final answer
    x = 350,467.34

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1.5x scale

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.