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Finding the Fourth Proportional to 394,548.30, 592,065.45 and 170,016.30

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Solution

The fourth proportional to 394,548.30, 592,065.45 and 170,016.30 is: 255,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,548.30 : 592,065.45 = 170,016.30 : x
  2. Step 2: Convert to fraction form
    394,548.30/592,065.45 = 170,016.30/x
  3. Step 3: Cross multiply
    394,548.30x = 592,065.45 × 170,016.30
  4. Step 4: Simplify right side
    394,548.30x = 100,660,777,166.84
  5. Step 5: Solve for x
    x = 100,660,777,166.84/394,548.30
  6. Step 6: Final answer
    x = 255,129.16

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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.