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Finding the Fourth Proportional to 374,863.20, 517,320.36 and 213,733.50

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Solution

The fourth proportional to 374,863.20, 517,320.36 and 213,733.50 is: 294,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,863.20 : 517,320.36 = 213,733.50 : x
  2. Step 2: Convert to fraction form
    374,863.20/517,320.36 = 213,733.50/x
  3. Step 3: Cross multiply
    374,863.20x = 517,320.36 × 213,733.50
  4. Step 4: Simplify right side
    374,863.20x = 110,568,691,164.06
  5. Step 5: Solve for x
    x = 110,568,691,164.06/374,863.20
  6. Step 6: Final answer
    x = 294,957.44

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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.