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Finding the Fourth Proportional to 331,597.84, 457,590.72 and 188,357.44

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Solution

The fourth proportional to 331,597.84, 457,590.72 and 188,357.44 is: 259,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,597.84 : 457,590.72 = 188,357.44 : x
  2. Step 2: Convert to fraction form
    331,597.84/457,590.72 = 188,357.44/x
  3. Step 3: Cross multiply
    331,597.84x = 457,590.72 × 188,357.44
  4. Step 4: Simplify right side
    331,597.84x = 86,190,616,586.96
  5. Step 5: Solve for x
    x = 86,190,616,586.96/331,597.84
  6. Step 6: Final answer
    x = 259,925.14

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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.