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Finding the Fourth Proportional to 365,525.54, 504,391.39 and 202,178.53

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Solution

The fourth proportional to 365,525.54, 504,391.39 and 202,178.53 is: 278,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,525.54 : 504,391.39 = 202,178.53 : x
  2. Step 2: Convert to fraction form
    365,525.54/504,391.39 = 202,178.53/x
  3. Step 3: Cross multiply
    365,525.54x = 504,391.39 × 202,178.53
  4. Step 4: Simplify right side
    365,525.54x = 101,977,107,252.90
  5. Step 5: Solve for x
    x = 101,977,107,252.90/365,525.54
  6. Step 6: Final answer
    x = 278,987.64

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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.