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Finding the Fourth Proportional to 589,884.90, 883,515.15 and 484,908.90

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Solution

The fourth proportional to 589,884.90, 883,515.15 and 484,908.90 is: 726,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,884.90 : 883,515.15 = 484,908.90 : x
  2. Step 2: Convert to fraction form
    589,884.90/883,515.15 = 484,908.90/x
  3. Step 3: Cross multiply
    589,884.90x = 883,515.15 × 484,908.90
  4. Step 4: Simplify right side
    589,884.90x = 428,424,359,519.84
  5. Step 5: Solve for x
    x = 428,424,359,519.84/589,884.90
  6. Step 6: Final answer
    x = 726,284.67

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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.