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Finding the Fourth Proportional to 263,497.92, 395,245.54 and 63,818.30

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Solution

The fourth proportional to 263,497.92, 395,245.54 and 63,818.30 is: 95,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,497.92 : 395,245.54 = 63,818.30 : x
  2. Step 2: Convert to fraction form
    263,497.92/395,245.54 = 63,818.30/x
  3. Step 3: Cross multiply
    263,497.92x = 395,245.54 × 63,818.30
  4. Step 4: Simplify right side
    263,497.92x = 25,223,898,445.38
  5. Step 5: Solve for x
    x = 25,223,898,445.38/263,497.92
  6. Step 6: Final answer
    x = 95,727.13

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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.