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Finding the Fourth Proportional to 384,013.96, 576,519.90 and 295,330.30

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Solution

The fourth proportional to 384,013.96, 576,519.90 and 295,330.30 is: 443,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,013.96 : 576,519.90 = 295,330.30 : x
  2. Step 2: Convert to fraction form
    384,013.96/576,519.90 = 295,330.30/x
  3. Step 3: Cross multiply
    384,013.96x = 576,519.90 × 295,330.30
  4. Step 4: Simplify right side
    384,013.96x = 170,263,795,022.97
  5. Step 5: Solve for x
    x = 170,263,795,022.97/384,013.96
  6. Step 6: Final answer
    x = 443,379.18

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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.