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Finding the Fourth Proportional to 836,732.35, 1,254,362.42 and 331,647.86

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Solution

The fourth proportional to 836,732.35, 1,254,362.42 and 331,647.86 is: 497,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,732.35 : 1,254,362.42 = 331,647.86 : x
  2. Step 2: Convert to fraction form
    836,732.35/1,254,362.42 = 331,647.86/x
  3. Step 3: Cross multiply
    836,732.35x = 1,254,362.42 × 331,647.86
  4. Step 4: Simplify right side
    836,732.35x = 416,006,613,941.32
  5. Step 5: Solve for x
    x = 416,006,613,941.32/836,732.35
  6. Step 6: Final answer
    x = 497,180.03

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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.