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Finding the Fourth Proportional to 364,972.80, 500,004.38 and 351,327.32

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Solution

The fourth proportional to 364,972.80, 500,004.38 and 351,327.32 is: 481,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,972.80 : 500,004.38 = 351,327.32 : x
  2. Step 2: Convert to fraction form
    364,972.80/500,004.38 = 351,327.32/x
  3. Step 3: Cross multiply
    364,972.80x = 500,004.38 × 351,327.32
  4. Step 4: Simplify right side
    364,972.80x = 175,665,199,286.55
  5. Step 5: Solve for x
    x = 175,665,199,286.55/364,972.80
  6. Step 6: Final answer
    x = 481,310.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.