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Finding the Fourth Proportional to 303,773.51, 455,658.62 and 123,858.24

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Solution

The fourth proportional to 303,773.51, 455,658.62 and 123,858.24 is: 185,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,773.51 : 455,658.62 = 123,858.24 : x
  2. Step 2: Convert to fraction form
    303,773.51/455,658.62 = 123,858.24/x
  3. Step 3: Cross multiply
    303,773.51x = 455,658.62 × 123,858.24
  4. Step 4: Simplify right side
    303,773.51x = 56,437,071,816.44
  5. Step 5: Solve for x
    x = 56,437,071,816.44/303,773.51
  6. Step 6: Final answer
    x = 185,786.68

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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.