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Finding the Fourth Proportional to 300,476.70, 450,775.22 and 110,938.22

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Solution

The fourth proportional to 300,476.70, 450,775.22 and 110,938.22 is: 166,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,476.70 : 450,775.22 = 110,938.22 : x
  2. Step 2: Convert to fraction form
    300,476.70/450,775.22 = 110,938.22/x
  3. Step 3: Cross multiply
    300,476.70x = 450,775.22 × 110,938.22
  4. Step 4: Simplify right side
    300,476.70x = 50,008,200,526.91
  5. Step 5: Solve for x
    x = 50,008,200,526.91/300,476.70
  6. Step 6: Final answer
    x = 166,429.55

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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.