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Finding the Fourth Proportional to 469,761.62, 705,954.65 and 439,515.41

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Solution

The fourth proportional to 469,761.62, 705,954.65 and 439,515.41 is: 660,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,761.62 : 705,954.65 = 439,515.41 : x
  2. Step 2: Convert to fraction form
    469,761.62/705,954.65 = 439,515.41/x
  3. Step 3: Cross multiply
    469,761.62x = 705,954.65 × 439,515.41
  4. Step 4: Simplify right side
    469,761.62x = 310,277,945,238.58
  5. Step 5: Solve for x
    x = 310,277,945,238.58/469,761.62
  6. Step 6: Final answer
    x = 660,500.84

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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.