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Finding the Fourth Proportional to 591,906.70, 887,891.74 and 187,068.11

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Solution

The fourth proportional to 591,906.70, 887,891.74 and 187,068.11 is: 280,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,906.70 : 887,891.74 = 187,068.11 : x
  2. Step 2: Convert to fraction form
    591,906.70/887,891.74 = 187,068.11/x
  3. Step 3: Cross multiply
    591,906.70x = 887,891.74 × 187,068.11
  4. Step 4: Simplify right side
    591,906.70x = 166,096,224,779.28
  5. Step 5: Solve for x
    x = 166,096,224,779.28/591,906.70
  6. Step 6: Final answer
    x = 280,612.17

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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.