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Finding the Fourth Proportional to 254,379.23, 381,576.96 and 127,950.42

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Solution

The fourth proportional to 254,379.23, 381,576.96 and 127,950.42 is: 191,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,379.23 : 381,576.96 = 127,950.42 : x
  2. Step 2: Convert to fraction form
    254,379.23/381,576.96 = 127,950.42/x
  3. Step 3: Cross multiply
    254,379.23x = 381,576.96 × 127,950.42
  4. Step 4: Simplify right side
    254,379.23x = 48,822,932,294.32
  5. Step 5: Solve for x
    x = 48,822,932,294.32/254,379.23
  6. Step 6: Final answer
    x = 191,929.72

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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.