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Finding the Fourth Proportional to 400,770.48, 601,247.88 and 120,293.04

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Solution

The fourth proportional to 400,770.48, 601,247.88 and 120,293.04 is: 180,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,770.48 : 601,247.88 = 120,293.04 : x
  2. Step 2: Convert to fraction form
    400,770.48/601,247.88 = 120,293.04/x
  3. Step 3: Cross multiply
    400,770.48x = 601,247.88 × 120,293.04
  4. Step 4: Simplify right side
    400,770.48x = 72,325,935,278.76
  5. Step 5: Solve for x
    x = 72,325,935,278.76/400,770.48
  6. Step 6: Final answer
    x = 180,467.22

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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.