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Finding the Fourth Proportional to 467,560.32, 645,200.80 and 263,618.52

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Solution

The fourth proportional to 467,560.32, 645,200.80 and 263,618.52 is: 363,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,560.32 : 645,200.80 = 263,618.52 : x
  2. Step 2: Convert to fraction form
    467,560.32/645,200.80 = 263,618.52/x
  3. Step 3: Cross multiply
    467,560.32x = 645,200.80 × 263,618.52
  4. Step 4: Simplify right side
    467,560.32x = 170,086,879,998.82
  5. Step 5: Solve for x
    x = 170,086,879,998.82/467,560.32
  6. Step 6: Final answer
    x = 363,775.27

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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.