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Finding the Fourth Proportional to 494,796.30, 741,210.30 and 459,366.90

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Solution

The fourth proportional to 494,796.30, 741,210.30 and 459,366.90 is: 688,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,796.30 : 741,210.30 = 459,366.90 : x
  2. Step 2: Convert to fraction form
    494,796.30/741,210.30 = 459,366.90/x
  3. Step 3: Cross multiply
    494,796.30x = 741,210.30 × 459,366.90
  4. Step 4: Simplify right side
    494,796.30x = 340,487,477,759.07
  5. Step 5: Solve for x
    x = 340,487,477,759.07/494,796.30
  6. Step 6: Final answer
    x = 688,136.67

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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.