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Finding the Fourth Proportional to 559,492.80, 839,589.12 and 227,068.80

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Solution

The fourth proportional to 559,492.80, 839,589.12 and 227,068.80 is: 340,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,492.80 : 839,589.12 = 227,068.80 : x
  2. Step 2: Convert to fraction form
    559,492.80/839,589.12 = 227,068.80/x
  3. Step 3: Cross multiply
    559,492.80x = 839,589.12 × 227,068.80
  4. Step 4: Simplify right side
    559,492.80x = 190,644,493,971.46
  5. Step 5: Solve for x
    x = 190,644,493,971.46/559,492.80
  6. Step 6: Final answer
    x = 340,745.21

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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.