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Finding the Fourth Proportional to 313,336.59, 432,358.88 and 179,174.67

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Solution

The fourth proportional to 313,336.59, 432,358.88 and 179,174.67 is: 247,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,336.59 : 432,358.88 = 179,174.67 : x
  2. Step 2: Convert to fraction form
    313,336.59/432,358.88 = 179,174.67/x
  3. Step 3: Cross multiply
    313,336.59x = 432,358.88 × 179,174.67
  4. Step 4: Simplify right side
    313,336.59x = 77,467,758,749.70
  5. Step 5: Solve for x
    x = 77,467,758,749.70/313,336.59
  6. Step 6: Final answer
    x = 247,234.96

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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.