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Finding the Fourth Proportional to 349,168.27, 481,838.65 and 213,429.49

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Solution

The fourth proportional to 349,168.27, 481,838.65 and 213,429.49 is: 294,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,168.27 : 481,838.65 = 213,429.49 : x
  2. Step 2: Convert to fraction form
    349,168.27/481,838.65 = 213,429.49/x
  3. Step 3: Cross multiply
    349,168.27x = 481,838.65 × 213,429.49
  4. Step 4: Simplify right side
    349,168.27x = 102,838,577,331.79
  5. Step 5: Solve for x
    x = 102,838,577,331.79/349,168.27
  6. Step 6: Final answer
    x = 294,524.41

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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.