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Finding the Fourth Proportional to 367,936.96, 508,138.50 and 253,513.12

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Solution

The fourth proportional to 367,936.96, 508,138.50 and 253,513.12 is: 350,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,936.96 : 508,138.50 = 253,513.12 : x
  2. Step 2: Convert to fraction form
    367,936.96/508,138.50 = 253,513.12/x
  3. Step 3: Cross multiply
    367,936.96x = 508,138.50 × 253,513.12
  4. Step 4: Simplify right side
    367,936.96x = 128,819,776,527.12
  5. Step 5: Solve for x
    x = 128,819,776,527.12/367,936.96
  6. Step 6: Final answer
    x = 350,113.72

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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.