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Finding the Fourth Proportional to 394,988.67, 592,483.01 and 217,404.27

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Solution

The fourth proportional to 394,988.67, 592,483.01 and 217,404.27 is: 326,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,988.67 : 592,483.01 = 217,404.27 : x
  2. Step 2: Convert to fraction form
    394,988.67/592,483.01 = 217,404.27/x
  3. Step 3: Cross multiply
    394,988.67x = 592,483.01 × 217,404.27
  4. Step 4: Simplify right side
    394,988.67x = 128,808,335,189.43
  5. Step 5: Solve for x
    x = 128,808,335,189.43/394,988.67
  6. Step 6: Final answer
    x = 326,106.41

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Similar ratio
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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.