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Finding the Fourth Proportional to 364,485.20, 546,727.80 and 331,242.80

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Solution

The fourth proportional to 364,485.20, 546,727.80 and 331,242.80 is: 496,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,485.20 : 546,727.80 = 331,242.80 : x
  2. Step 2: Convert to fraction form
    364,485.20/546,727.80 = 331,242.80/x
  3. Step 3: Cross multiply
    364,485.20x = 546,727.80 × 331,242.80
  4. Step 4: Simplify right side
    364,485.20x = 181,099,647,309.84
  5. Step 5: Solve for x
    x = 181,099,647,309.84/364,485.20
  6. Step 6: Final answer
    x = 496,864.20

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1.5x scale

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.