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Finding the Fourth Proportional to 365,229, 504,016.02 and 221,962.28

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Solution

The fourth proportional to 365,229, 504,016.02 and 221,962.28 is: 306,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,229 : 504,016.02 = 221,962.28 : x
  2. Step 2: Convert to fraction form
    365,229/504,016.02 = 221,962.28/x
  3. Step 3: Cross multiply
    365,229x = 504,016.02 × 221,962.28
  4. Step 4: Simplify right side
    365,229x = 111,872,542,435.65
  5. Step 5: Solve for x
    x = 111,872,542,435.65/365,229
  6. Step 6: Final answer
    x = 306,307.94

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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.