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Finding the Fourth Proportional to 264,794.78, 365,065.71 and 219,305.18

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Solution

The fourth proportional to 264,794.78, 365,065.71 and 219,305.18 is: 302,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,794.78 : 365,065.71 = 219,305.18 : x
  2. Step 2: Convert to fraction form
    264,794.78/365,065.71 = 219,305.18/x
  3. Step 3: Cross multiply
    264,794.78x = 365,065.71 × 219,305.18
  4. Step 4: Simplify right side
    264,794.78x = 80,060,801,243.38
  5. Step 5: Solve for x
    x = 80,060,801,243.38/264,794.78
  6. Step 6: Final answer
    x = 302,350.38

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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.