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Finding the Fourth Proportional to 313,369.46, 469,873.89 and 167,128.94

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Solution

The fourth proportional to 313,369.46, 469,873.89 and 167,128.94 is: 250,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,369.46 : 469,873.89 = 167,128.94 : x
  2. Step 2: Convert to fraction form
    313,369.46/469,873.89 = 167,128.94/x
  3. Step 3: Cross multiply
    313,369.46x = 469,873.89 × 167,128.94
  4. Step 4: Simplify right side
    313,369.46x = 78,529,521,984.36
  5. Step 5: Solve for x
    x = 78,529,521,984.36/313,369.46
  6. Step 6: Final answer
    x = 250,597.24

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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.