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Finding the Fourth Proportional to 980,958.98, 1,471,812.08 and 341,333.77

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Solution

The fourth proportional to 980,958.98, 1,471,812.08 and 341,333.77 is: 512,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,958.98 : 1,471,812.08 = 341,333.77 : x
  2. Step 2: Convert to fraction form
    980,958.98/1,471,812.08 = 341,333.77/x
  3. Step 3: Cross multiply
    980,958.98x = 1,471,812.08 × 341,333.77
  4. Step 4: Simplify right side
    980,958.98x = 502,379,165,997.94
  5. Step 5: Solve for x
    x = 502,379,165,997.94/980,958.98
  6. Step 6: Final answer
    x = 512,130.66

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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.