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Finding the Fourth Proportional to 536,200.62, 739,969.74 and 291,195.60

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Solution

The fourth proportional to 536,200.62, 739,969.74 and 291,195.60 is: 401,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,200.62 : 739,969.74 = 291,195.60 : x
  2. Step 2: Convert to fraction form
    536,200.62/739,969.74 = 291,195.60/x
  3. Step 3: Cross multiply
    536,200.62x = 739,969.74 × 291,195.60
  4. Step 4: Simplify right side
    536,200.62x = 215,475,932,421.14
  5. Step 5: Solve for x
    x = 215,475,932,421.14/536,200.62
  6. Step 6: Final answer
    x = 401,856.93

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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.