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Finding the Fourth Proportional to 468,713.56, 646,824.48 and 253,853.60

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Solution

The fourth proportional to 468,713.56, 646,824.48 and 253,853.60 is: 350,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,713.56 : 646,824.48 = 253,853.60 : x
  2. Step 2: Convert to fraction form
    468,713.56/646,824.48 = 253,853.60/x
  3. Step 3: Cross multiply
    468,713.56x = 646,824.48 × 253,853.60
  4. Step 4: Simplify right side
    468,713.56x = 164,198,722,816.13
  5. Step 5: Solve for x
    x = 164,198,722,816.13/468,713.56
  6. Step 6: Final answer
    x = 350,317.84

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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.