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Finding the Fourth Proportional to 467,699.43, 645,409.48 and 295,709.97

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Solution

The fourth proportional to 467,699.43, 645,409.48 and 295,709.97 is: 408,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,699.43 : 645,409.48 = 295,709.97 : x
  2. Step 2: Convert to fraction form
    467,699.43/645,409.48 = 295,709.97/x
  3. Step 3: Cross multiply
    467,699.43x = 645,409.48 × 295,709.97
  4. Step 4: Simplify right side
    467,699.43x = 190,854,017,968.52
  5. Step 5: Solve for x
    x = 190,854,017,968.52/467,699.43
  6. Step 6: Final answer
    x = 408,069.81

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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.