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Finding the Fourth Proportional to 318,574.22, 439,633.98 and 182,616.32

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Solution

The fourth proportional to 318,574.22, 439,633.98 and 182,616.32 is: 252,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,574.22 : 439,633.98 = 182,616.32 : x
  2. Step 2: Convert to fraction form
    318,574.22/439,633.98 = 182,616.32/x
  3. Step 3: Cross multiply
    318,574.22x = 439,633.98 × 182,616.32
  4. Step 4: Simplify right side
    318,574.22x = 80,284,340,673.64
  5. Step 5: Solve for x
    x = 80,284,340,673.64/318,574.22
  6. Step 6: Final answer
    x = 252,011.42

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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.