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Finding the Fourth Proportional to 313,903.70, 470,855.55 and 224,969.30

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Solution

The fourth proportional to 313,903.70, 470,855.55 and 224,969.30 is: 337,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,903.70 : 470,855.55 = 224,969.30 : x
  2. Step 2: Convert to fraction form
    313,903.70/470,855.55 = 224,969.30/x
  3. Step 3: Cross multiply
    313,903.70x = 470,855.55 × 224,969.30
  4. Step 4: Simplify right side
    313,903.70x = 105,928,043,484.62
  5. Step 5: Solve for x
    x = 105,928,043,484.62/313,903.70
  6. Step 6: Final answer
    x = 337,453.95

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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.