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Finding the Fourth Proportional to 353,542.14, 530,396.28 and 116,884.89

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Solution

The fourth proportional to 353,542.14, 530,396.28 and 116,884.89 is: 175,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,542.14 : 530,396.28 = 116,884.89 : x
  2. Step 2: Convert to fraction form
    353,542.14/530,396.28 = 116,884.89/x
  3. Step 3: Cross multiply
    353,542.14x = 530,396.28 × 116,884.89
  4. Step 4: Simplify right side
    353,542.14x = 61,995,310,844.21
  5. Step 5: Solve for x
    x = 61,995,310,844.21/353,542.14
  6. Step 6: Final answer
    x = 175,354.80

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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.