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Finding the Fourth Proportional to 353,211.90, 529,836.17 and 116,573.03

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Solution

The fourth proportional to 353,211.90, 529,836.17 and 116,573.03 is: 174,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,211.90 : 529,836.17 = 116,573.03 : x
  2. Step 2: Convert to fraction form
    353,211.90/529,836.17 = 116,573.03/x
  3. Step 3: Cross multiply
    353,211.90x = 529,836.17 × 116,573.03
  4. Step 4: Simplify right side
    353,211.90x = 61,764,607,740.50
  5. Step 5: Solve for x
    x = 61,764,607,740.50/353,211.90
  6. Step 6: Final answer
    x = 174,865.59

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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.