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Finding the Fourth Proportional to 448,114.10, 670,227.15 and 401,069.30

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Solution

The fourth proportional to 448,114.10, 670,227.15 and 401,069.30 is: 599,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,114.10 : 670,227.15 = 401,069.30 : x
  2. Step 2: Convert to fraction form
    448,114.10/670,227.15 = 401,069.30/x
  3. Step 3: Cross multiply
    448,114.10x = 670,227.15 × 401,069.30
  4. Step 4: Simplify right side
    448,114.10x = 268,807,533,891.50
  5. Step 5: Solve for x
    x = 268,807,533,891.50/448,114.10
  6. Step 6: Final answer
    x = 599,864.04

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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.