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Finding the Fourth Proportional to 559,807.20, 839,685.27 and 180,745.41

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Solution

The fourth proportional to 559,807.20, 839,685.27 and 180,745.41 is: 271,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,807.20 : 839,685.27 = 180,745.41 : x
  2. Step 2: Convert to fraction form
    559,807.20/839,685.27 = 180,745.41/x
  3. Step 3: Cross multiply
    559,807.20x = 839,685.27 × 180,745.41
  4. Step 4: Simplify right side
    559,807.20x = 151,769,258,397.11
  5. Step 5: Solve for x
    x = 151,769,258,397.11/559,807.20
  6. Step 6: Final answer
    x = 271,109.87

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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.