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Finding the Fourth Proportional to 313,558.35, 470,201.44 and 113,812.35

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Solution

The fourth proportional to 313,558.35, 470,201.44 and 113,812.35 is: 170,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,558.35 : 470,201.44 = 113,812.35 : x
  2. Step 2: Convert to fraction form
    313,558.35/470,201.44 = 113,812.35/x
  3. Step 3: Cross multiply
    313,558.35x = 470,201.44 × 113,812.35
  4. Step 4: Simplify right side
    313,558.35x = 53,514,730,859.78
  5. Step 5: Solve for x
    x = 53,514,730,859.78/313,558.35
  6. Step 6: Final answer
    x = 170,669.13

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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.