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Finding the Fourth Proportional to 468,684.92, 646,786.02 and 253,824.36

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Solution

The fourth proportional to 468,684.92, 646,786.02 and 253,824.36 is: 350,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,684.92 : 646,786.02 = 253,824.36 : x
  2. Step 2: Convert to fraction form
    468,684.92/646,786.02 = 253,824.36/x
  3. Step 3: Cross multiply
    468,684.92x = 646,786.02 × 253,824.36
  4. Step 4: Simplify right side
    468,684.92x = 164,170,047,583.45
  5. Step 5: Solve for x
    x = 164,170,047,583.45/468,684.92
  6. Step 6: Final answer
    x = 350,278.07

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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.