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Finding the Fourth Proportional to 264,522.28, 364,843.50 and 172,661.80

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Solution

The fourth proportional to 264,522.28, 364,843.50 and 172,661.80 is: 238,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,522.28 : 364,843.50 = 172,661.80 : x
  2. Step 2: Convert to fraction form
    264,522.28/364,843.50 = 172,661.80/x
  3. Step 3: Cross multiply
    264,522.28x = 364,843.50 × 172,661.80
  4. Step 4: Simplify right side
    264,522.28x = 62,994,535,428.30
  5. Step 5: Solve for x
    x = 62,994,535,428.30/264,522.28
  6. Step 6: Final answer
    x = 238,144.54

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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.