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Finding the Fourth Proportional to 364,855.20, 547,282.80 and 329,425.80

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Solution

The fourth proportional to 364,855.20, 547,282.80 and 329,425.80 is: 494,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,855.20 : 547,282.80 = 329,425.80 : x
  2. Step 2: Convert to fraction form
    364,855.20/547,282.80 = 329,425.80/x
  3. Step 3: Cross multiply
    364,855.20x = 547,282.80 × 329,425.80
  4. Step 4: Simplify right side
    364,855.20x = 180,289,074,216.24
  5. Step 5: Solve for x
    x = 180,289,074,216.24/364,855.20
  6. Step 6: Final answer
    x = 494,138.70

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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.