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Finding the Fourth Proportional to 326,513.44, 450,757.65 and 253,753.84

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Solution

The fourth proportional to 326,513.44, 450,757.65 and 253,753.84 is: 350,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,513.44 : 450,757.65 = 253,753.84 : x
  2. Step 2: Convert to fraction form
    326,513.44/450,757.65 = 253,753.84/x
  3. Step 3: Cross multiply
    326,513.44x = 450,757.65 × 253,753.84
  4. Step 4: Simplify right side
    326,513.44x = 114,381,484,596.88
  5. Step 5: Solve for x
    x = 114,381,484,596.88/326,513.44
  6. Step 6: Final answer
    x = 350,311.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.