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Finding the Fourth Proportional to 323,036.64, 445,794.78 and 177,859.30

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Solution

The fourth proportional to 323,036.64, 445,794.78 and 177,859.30 is: 245,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,036.64 : 445,794.78 = 177,859.30 : x
  2. Step 2: Convert to fraction form
    323,036.64/445,794.78 = 177,859.30/x
  3. Step 3: Cross multiply
    323,036.64x = 445,794.78 × 177,859.30
  4. Step 4: Simplify right side
    323,036.64x = 79,288,747,514.45
  5. Step 5: Solve for x
    x = 79,288,747,514.45/323,036.64
  6. Step 6: Final answer
    x = 245,448.16

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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.