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Finding the Fourth Proportional to 263,478.96, 395,219.46 and 63,799.08

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Solution

The fourth proportional to 263,478.96, 395,219.46 and 63,799.08 is: 95,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,478.96 : 395,219.46 = 63,799.08 : x
  2. Step 2: Convert to fraction form
    263,478.96/395,219.46 = 63,799.08/x
  3. Step 3: Cross multiply
    263,478.96x = 395,219.46 × 63,799.08
  4. Step 4: Simplify right side
    263,478.96x = 25,214,637,946.10
  5. Step 5: Solve for x
    x = 25,214,637,946.10/263,478.96
  6. Step 6: Final answer
    x = 95,698.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.