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Finding the Fourth Proportional to 533,018.44, 799,610.74 and 319,736.21

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Solution

The fourth proportional to 533,018.44, 799,610.74 and 319,736.21 is: 479,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,018.44 : 799,610.74 = 319,736.21 : x
  2. Step 2: Convert to fraction form
    533,018.44/799,610.74 = 319,736.21/x
  3. Step 3: Cross multiply
    533,018.44x = 799,610.74 × 319,736.21
  4. Step 4: Simplify right side
    533,018.44x = 255,664,508,682.58
  5. Step 5: Solve for x
    x = 255,664,508,682.58/533,018.44
  6. Step 6: Final answer
    x = 479,654.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.