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Finding the Fourth Proportional to 713,147.90, 984,174.60 and 426,612.62

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Solution

The fourth proportional to 713,147.90, 984,174.60 and 426,612.62 is: 588,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,147.90 : 984,174.60 = 426,612.62 : x
  2. Step 2: Convert to fraction form
    713,147.90/984,174.60 = 426,612.62/x
  3. Step 3: Cross multiply
    713,147.90x = 984,174.60 × 426,612.62
  4. Step 4: Simplify right side
    713,147.90x = 419,861,308,703.69
  5. Step 5: Solve for x
    x = 419,861,308,703.69/713,147.90
  6. Step 6: Final answer
    x = 588,743.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.