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Finding the Fourth Proportional to 357,277.44, 535,910.64 and 120,786.24

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Solution

The fourth proportional to 357,277.44, 535,910.64 and 120,786.24 is: 181,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,277.44 : 535,910.64 = 120,786.24 : x
  2. Step 2: Convert to fraction form
    357,277.44/535,910.64 = 120,786.24/x
  3. Step 3: Cross multiply
    357,277.44x = 535,910.64 × 120,786.24
  4. Step 4: Simplify right side
    357,277.44x = 64,730,631,181.59
  5. Step 5: Solve for x
    x = 64,730,631,181.59/357,277.44
  6. Step 6: Final answer
    x = 181,177.49

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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.