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Finding the Fourth Proportional to 469,378.86, 704,069.37 and 329,760.78

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Solution

The fourth proportional to 469,378.86, 704,069.37 and 329,760.78 is: 494,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,378.86 : 704,069.37 = 329,760.78 : x
  2. Step 2: Convert to fraction form
    469,378.86/704,069.37 = 329,760.78/x
  3. Step 3: Cross multiply
    469,378.86x = 704,069.37 × 329,760.78
  4. Step 4: Simplify right side
    469,378.86x = 232,174,464,625.31
  5. Step 5: Solve for x
    x = 232,174,464,625.31/469,378.86
  6. Step 6: Final answer
    x = 494,641.93

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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.