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Finding the Fourth Proportional to 621,960.27, 932,507.53 and 275,555.67

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Solution

The fourth proportional to 621,960.27, 932,507.53 and 275,555.67 is: 413,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,960.27 : 932,507.53 = 275,555.67 : x
  2. Step 2: Convert to fraction form
    621,960.27/932,507.53 = 275,555.67/x
  3. Step 3: Cross multiply
    621,960.27x = 932,507.53 × 275,555.67
  4. Step 4: Simplify right side
    621,960.27x = 256,957,732,546.66
  5. Step 5: Solve for x
    x = 256,957,732,546.66/621,960.27
  6. Step 6: Final answer
    x = 413,141.72

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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.