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Finding the Fourth Proportional to 536,380.16, 804,570.24 and 137,021.81

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Solution

The fourth proportional to 536,380.16, 804,570.24 and 137,021.81 is: 205,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,380.16 : 804,570.24 = 137,021.81 : x
  2. Step 2: Convert to fraction form
    536,380.16/804,570.24 = 137,021.81/x
  3. Step 3: Cross multiply
    536,380.16x = 804,570.24 × 137,021.81
  4. Step 4: Simplify right side
    536,380.16x = 110,243,670,556.93
  5. Step 5: Solve for x
    x = 110,243,670,556.93/536,380.16
  6. Step 6: Final answer
    x = 205,532.72

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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.