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Finding the Fourth Proportional to 341,297.42, 470,990.07 and 188,335.58

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Solution

The fourth proportional to 341,297.42, 470,990.07 and 188,335.58 is: 259,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,297.42 : 470,990.07 = 188,335.58 : x
  2. Step 2: Convert to fraction form
    341,297.42/470,990.07 = 188,335.58/x
  3. Step 3: Cross multiply
    341,297.42x = 470,990.07 × 188,335.58
  4. Step 4: Simplify right side
    341,297.42x = 88,704,185,652.74
  5. Step 5: Solve for x
    x = 88,704,185,652.74/341,297.42
  6. Step 6: Final answer
    x = 259,902.89

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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.