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Finding the Fourth Proportional to 361,840.17, 499,012.53 and 225,886.68

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Solution

The fourth proportional to 361,840.17, 499,012.53 and 225,886.68 is: 311,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,840.17 : 499,012.53 = 225,886.68 : x
  2. Step 2: Convert to fraction form
    361,840.17/499,012.53 = 225,886.68/x
  3. Step 3: Cross multiply
    361,840.17x = 499,012.53 × 225,886.68
  4. Step 4: Simplify right side
    361,840.17x = 112,720,284,704.32
  5. Step 5: Solve for x
    x = 112,720,284,704.32/361,840.17
  6. Step 6: Final answer
    x = 311,519.54

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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.