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Finding the Fourth Proportional to 353,247.97, 529,954.65 and 116,590.42

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Solution

The fourth proportional to 353,247.97, 529,954.65 and 116,590.42 is: 174,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,247.97 : 529,954.65 = 116,590.42 : x
  2. Step 2: Convert to fraction form
    353,247.97/529,954.65 = 116,590.42/x
  3. Step 3: Cross multiply
    353,247.97x = 529,954.65 × 116,590.42
  4. Step 4: Simplify right side
    353,247.97x = 61,787,635,886.90
  5. Step 5: Solve for x
    x = 61,787,635,886.90/353,247.97
  6. Step 6: Final answer
    x = 174,912.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.