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Finding the Fourth Proportional to 503,981.42, 755,572.53 and 264,049.31

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Solution

The fourth proportional to 503,981.42, 755,572.53 and 264,049.31 is: 395,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,981.42 : 755,572.53 = 264,049.31 : x
  2. Step 2: Convert to fraction form
    503,981.42/755,572.53 = 264,049.31/x
  3. Step 3: Cross multiply
    503,981.42x = 755,572.53 × 264,049.31
  4. Step 4: Simplify right side
    503,981.42x = 199,508,405,201.45
  5. Step 5: Solve for x
    x = 199,508,405,201.45/503,981.42
  6. Step 6: Final answer
    x = 395,864.60

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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.