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Finding the Fourth Proportional to 313,479.60, 470,014.92 and 113,762.16

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Solution

The fourth proportional to 313,479.60, 470,014.92 and 113,762.16 is: 170,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,479.60 : 470,014.92 = 113,762.16 : x
  2. Step 2: Convert to fraction form
    313,479.60/470,014.92 = 113,762.16/x
  3. Step 3: Cross multiply
    313,479.60x = 470,014.92 × 113,762.16
  4. Step 4: Simplify right side
    313,479.60x = 53,469,912,531.43
  5. Step 5: Solve for x
    x = 53,469,912,531.43/313,479.60
  6. Step 6: Final answer
    x = 170,569.03

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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.