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Finding the Fourth Proportional to 536,912.16, 805,349.60 and 137,556.24

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Solution

The fourth proportional to 536,912.16, 805,349.60 and 137,556.24 is: 206,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,912.16 : 805,349.60 = 137,556.24 : x
  2. Step 2: Convert to fraction form
    536,912.16/805,349.60 = 137,556.24/x
  3. Step 3: Cross multiply
    536,912.16x = 805,349.60 × 137,556.24
  4. Step 4: Simplify right side
    536,912.16x = 110,780,862,861.50
  5. Step 5: Solve for x
    x = 110,780,862,861.50/536,912.16
  6. Step 6: Final answer
    x = 206,329.58

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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.