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Finding the Fourth Proportional to 589,744.90, 883,305.15 and 484,768.90

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Solution

The fourth proportional to 589,744.90, 883,305.15 and 484,768.90 is: 726,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,744.90 : 883,305.15 = 484,768.90 : x
  2. Step 2: Convert to fraction form
    589,744.90/883,305.15 = 484,768.90/x
  3. Step 3: Cross multiply
    589,744.90x = 883,305.15 × 484,768.90
  4. Step 4: Simplify right side
    589,744.90x = 428,198,865,929.84
  5. Step 5: Solve for x
    x = 428,198,865,929.84/589,744.90
  6. Step 6: Final answer
    x = 726,074.72

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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.