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Finding the Fourth Proportional to 340,757.06, 470,248.00 and 187,800.80

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Solution

The fourth proportional to 340,757.06, 470,248.00 and 187,800.80 is: 259,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,757.06 : 470,248.00 = 187,800.80 : x
  2. Step 2: Convert to fraction form
    340,757.06/470,248.00 = 187,800.80/x
  3. Step 3: Cross multiply
    340,757.06x = 470,248.00 × 187,800.80
  4. Step 4: Simplify right side
    340,757.06x = 88,312,947,777.66
  5. Step 5: Solve for x
    x = 88,312,947,777.66/340,757.06
  6. Step 6: Final answer
    x = 259,166.89

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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.