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Finding the Fourth Proportional to 340,375.73, 469,714.63 and 187,410.80

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Solution

The fourth proportional to 340,375.73, 469,714.63 and 187,410.80 is: 258,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,375.73 : 469,714.63 = 187,410.80 : x
  2. Step 2: Convert to fraction form
    340,375.73/469,714.63 = 187,410.80/x
  3. Step 3: Cross multiply
    340,375.73x = 469,714.63 × 187,410.80
  4. Step 4: Simplify right side
    340,375.73x = 88,029,595,637.16
  5. Step 5: Solve for x
    x = 88,029,595,637.16/340,375.73
  6. Step 6: Final answer
    x = 258,624.77

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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.