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Finding the Fourth Proportional to 559,937.70, 839,906.55 and 185,960.70

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Solution

The fourth proportional to 559,937.70, 839,906.55 and 185,960.70 is: 278,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,937.70 : 839,906.55 = 185,960.70 : x
  2. Step 2: Convert to fraction form
    559,937.70/839,906.55 = 185,960.70/x
  3. Step 3: Cross multiply
    559,937.70x = 839,906.55 × 185,960.70
  4. Step 4: Simplify right side
    559,937.70x = 156,189,609,972.59
  5. Step 5: Solve for x
    x = 156,189,609,972.59/559,937.70
  6. Step 6: Final answer
    x = 278,941.05

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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.