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Finding the Fourth Proportional to 457,286.52, 684,700.98 and 372,699.96

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Solution

The fourth proportional to 457,286.52, 684,700.98 and 372,699.96 is: 558,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,286.52 : 684,700.98 = 372,699.96 : x
  2. Step 2: Convert to fraction form
    457,286.52/684,700.98 = 372,699.96/x
  3. Step 3: Cross multiply
    457,286.52x = 684,700.98 × 372,699.96
  4. Step 4: Simplify right side
    457,286.52x = 255,188,027,857.96
  5. Step 5: Solve for x
    x = 255,188,027,857.96/457,286.52
  6. Step 6: Final answer
    x = 558,048.44

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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.