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Finding the Fourth Proportional to 313,882.70, 470,209.65 and 188,852.30

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Solution

The fourth proportional to 313,882.70, 470,209.65 and 188,852.30 is: 282,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,882.70 : 470,209.65 = 188,852.30 : x
  2. Step 2: Convert to fraction form
    313,882.70/470,209.65 = 188,852.30/x
  3. Step 3: Cross multiply
    313,882.70x = 470,209.65 × 188,852.30
  4. Step 4: Simplify right side
    313,882.70x = 88,800,173,884.70
  5. Step 5: Solve for x
    x = 88,800,173,884.70/313,882.70
  6. Step 6: Final answer
    x = 282,908.79

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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.