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Finding the Fourth Proportional to 440,350.86, 608,794.77 and 325,448.30

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Solution

The fourth proportional to 440,350.86, 608,794.77 and 325,448.30 is: 449,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,350.86 : 608,794.77 = 325,448.30 : x
  2. Step 2: Convert to fraction form
    440,350.86/608,794.77 = 325,448.30/x
  3. Step 3: Cross multiply
    440,350.86x = 608,794.77 × 325,448.30
  4. Step 4: Simplify right side
    440,350.86x = 198,131,219,901.42
  5. Step 5: Solve for x
    x = 198,131,219,901.42/440,350.86
  6. Step 6: Final answer
    x = 449,939.44

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1.5x scale

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.