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Finding the Fourth Proportional to 442,484.88, 663,540.12 and 242,748.24

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Solution

The fourth proportional to 442,484.88, 663,540.12 and 242,748.24 is: 364,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,484.88 : 663,540.12 = 242,748.24 : x
  2. Step 2: Convert to fraction form
    442,484.88/663,540.12 = 242,748.24/x
  3. Step 3: Cross multiply
    442,484.88x = 663,540.12 × 242,748.24
  4. Step 4: Simplify right side
    442,484.88x = 161,073,196,299.39
  5. Step 5: Solve for x
    x = 161,073,196,299.39/442,484.88
  6. Step 6: Final answer
    x = 364,019.66

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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.