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Finding the Fourth Proportional to 318,624.91, 439,650.92 and 182,633.83

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Solution

The fourth proportional to 318,624.91, 439,650.92 and 182,633.83 is: 252,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,624.91 : 439,650.92 = 182,633.83 : x
  2. Step 2: Convert to fraction form
    318,624.91/439,650.92 = 182,633.83/x
  3. Step 3: Cross multiply
    318,624.91x = 439,650.92 × 182,633.83
  4. Step 4: Simplify right side
    318,624.91x = 80,295,130,740.08
  5. Step 5: Solve for x
    x = 80,295,130,740.08/318,624.91
  6. Step 6: Final answer
    x = 252,005.19

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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.