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Finding the Fourth Proportional to 530,273.87, 795,412.43 and 130,914.68

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Solution

The fourth proportional to 530,273.87, 795,412.43 and 130,914.68 is: 196,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,273.87 : 795,412.43 = 130,914.68 : x
  2. Step 2: Convert to fraction form
    530,273.87/795,412.43 = 130,914.68/x
  3. Step 3: Cross multiply
    530,273.87x = 795,412.43 × 130,914.68
  4. Step 4: Simplify right side
    530,273.87x = 104,131,163,741.47
  5. Step 5: Solve for x
    x = 104,131,163,741.47/530,273.87
  6. Step 6: Final answer
    x = 196,372.42

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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.