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Finding the Fourth Proportional to 468,781.08, 646,917.60 and 253,920.60

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Solution

The fourth proportional to 468,781.08, 646,917.60 and 253,920.60 is: 350,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,781.08 : 646,917.60 = 253,920.60 : x
  2. Step 2: Convert to fraction form
    468,781.08/646,917.60 = 253,920.60/x
  3. Step 3: Cross multiply
    468,781.08x = 646,917.60 × 253,920.60
  4. Step 4: Simplify right side
    468,781.08x = 164,265,705,142.56
  5. Step 5: Solve for x
    x = 164,265,705,142.56/468,781.08
  6. Step 6: Final answer
    x = 350,410.27

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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.