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Finding the Fourth Proportional to 482,903.10, 723,771.45 and 246,123.90

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Solution

The fourth proportional to 482,903.10, 723,771.45 and 246,123.90 is: 368,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,903.10 : 723,771.45 = 246,123.90 : x
  2. Step 2: Convert to fraction form
    482,903.10/723,771.45 = 246,123.90/x
  3. Step 3: Cross multiply
    482,903.10x = 723,771.45 × 246,123.90
  4. Step 4: Simplify right side
    482,903.10x = 178,137,451,982.66
  5. Step 5: Solve for x
    x = 178,137,451,982.66/482,903.10
  6. Step 6: Final answer
    x = 368,888.61

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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.