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Finding the Fourth Proportional to 263,455.69, 395,184.55 and 63,775.75

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Solution

The fourth proportional to 263,455.69, 395,184.55 and 63,775.75 is: 95,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,455.69 : 395,184.55 = 63,775.75 : x
  2. Step 2: Convert to fraction form
    263,455.69/395,184.55 = 63,775.75/x
  3. Step 3: Cross multiply
    263,455.69x = 395,184.55 × 63,775.75
  4. Step 4: Simplify right side
    263,455.69x = 25,203,189,088.74
  5. Step 5: Solve for x
    x = 25,203,189,088.74/263,455.69
  6. Step 6: Final answer
    x = 95,663.87

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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.