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Finding the Fourth Proportional to 394,554.30, 592,074.45 and 170,022.30

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Solution

The fourth proportional to 394,554.30, 592,074.45 and 170,022.30 is: 255,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,554.30 : 592,074.45 = 170,022.30 : x
  2. Step 2: Convert to fraction form
    394,554.30/592,074.45 = 170,022.30/x
  3. Step 3: Cross multiply
    394,554.30x = 592,074.45 × 170,022.30
  4. Step 4: Simplify right side
    394,554.30x = 100,665,859,760.24
  5. Step 5: Solve for x
    x = 100,665,859,760.24/394,554.30
  6. Step 6: Final answer
    x = 255,138.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.