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Finding the Fourth Proportional to 300,672.30, 450,133.65 and 182,282.70

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Solution

The fourth proportional to 300,672.30, 450,133.65 and 182,282.70 is: 272,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,672.30 : 450,133.65 = 182,282.70 : x
  2. Step 2: Convert to fraction form
    300,672.30/450,133.65 = 182,282.70/x
  3. Step 3: Cross multiply
    300,672.30x = 450,133.65 × 182,282.70
  4. Step 4: Simplify right side
    300,672.30x = 82,051,577,082.86
  5. Step 5: Solve for x
    x = 82,051,577,082.86/300,672.30
  6. Step 6: Final answer
    x = 272,893.70

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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.