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Finding the Fourth Proportional to 536,318.94, 739,939.46 and 303,714.07

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Solution

The fourth proportional to 536,318.94, 739,939.46 and 303,714.07 is: 419,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,318.94 : 739,939.46 = 303,714.07 : x
  2. Step 2: Convert to fraction form
    536,318.94/739,939.46 = 303,714.07/x
  3. Step 3: Cross multiply
    536,318.94x = 739,939.46 × 303,714.07
  4. Step 4: Simplify right side
    536,318.94x = 224,730,025,743.94
  5. Step 5: Solve for x
    x = 224,730,025,743.94/536,318.94
  6. Step 6: Final answer
    x = 419,023.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.