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Finding the Fourth Proportional to 340,898.99, 470,443.86 and 187,942.77

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Solution

The fourth proportional to 340,898.99, 470,443.86 and 187,942.77 is: 259,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,898.99 : 470,443.86 = 187,942.77 : x
  2. Step 2: Convert to fraction form
    340,898.99/470,443.86 = 187,942.77/x
  3. Step 3: Cross multiply
    340,898.99x = 470,443.86 × 187,942.77
  4. Step 4: Simplify right side
    340,898.99x = 88,416,522,177.89
  5. Step 5: Solve for x
    x = 88,416,522,177.89/340,898.99
  6. Step 6: Final answer
    x = 259,362.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.