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Finding the Fourth Proportional to 467,655.68, 645,209.92 and 263,680.96

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Solution

The fourth proportional to 467,655.68, 645,209.92 and 263,680.96 is: 363,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,655.68 : 645,209.92 = 263,680.96 : x
  2. Step 2: Convert to fraction form
    467,655.68/645,209.92 = 263,680.96/x
  3. Step 3: Cross multiply
    467,655.68x = 645,209.92 × 263,680.96
  4. Step 4: Simplify right side
    467,655.68x = 170,129,571,107.12
  5. Step 5: Solve for x
    x = 170,129,571,107.12/467,655.68
  6. Step 6: Final answer
    x = 363,792.38

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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.