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Finding the Fourth Proportional to 400,682.85, 552,957.22 and 228,628.82

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Solution

The fourth proportional to 400,682.85, 552,957.22 and 228,628.82 is: 315,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,682.85 : 552,957.22 = 228,628.82 : x
  2. Step 2: Convert to fraction form
    400,682.85/552,957.22 = 228,628.82/x
  3. Step 3: Cross multiply
    400,682.85x = 552,957.22 × 228,628.82
  4. Step 4: Simplify right side
    400,682.85x = 126,421,956,719.08
  5. Step 5: Solve for x
    x = 126,421,956,719.08/400,682.85
  6. Step 6: Final answer
    x = 315,516.27

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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.