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Finding the Fourth Proportional to 508,453.76, 762,724.98 and 166,794.75

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Solution

The fourth proportional to 508,453.76, 762,724.98 and 166,794.75 is: 250,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,453.76 : 762,724.98 = 166,794.75 : x
  2. Step 2: Convert to fraction form
    508,453.76/762,724.98 = 166,794.75/x
  3. Step 3: Cross multiply
    508,453.76x = 762,724.98 × 166,794.75
  4. Step 4: Simplify right side
    508,453.76x = 127,218,522,357.86
  5. Step 5: Solve for x
    x = 127,218,522,357.86/508,453.76
  6. Step 6: Final answer
    x = 250,206.67

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1.5x scale

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.