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Finding the Fourth Proportional to 301,846.20, 452,769.30 and 161,878.20

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Solution

The fourth proportional to 301,846.20, 452,769.30 and 161,878.20 is: 242,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,846.20 : 452,769.30 = 161,878.20 : x
  2. Step 2: Convert to fraction form
    301,846.20/452,769.30 = 161,878.20/x
  3. Step 3: Cross multiply
    301,846.20x = 452,769.30 × 161,878.20
  4. Step 4: Simplify right side
    301,846.20x = 73,293,479,299.26
  5. Step 5: Solve for x
    x = 73,293,479,299.26/301,846.20
  6. Step 6: Final answer
    x = 242,817.30

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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.