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Finding the Fourth Proportional to 273,257.96, 409,885.04 and 210,190.38

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Solution

The fourth proportional to 273,257.96, 409,885.04 and 210,190.38 is: 315,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,257.96 : 409,885.04 = 210,190.38 : x
  2. Step 2: Convert to fraction form
    273,257.96/409,885.04 = 210,190.38/x
  3. Step 3: Cross multiply
    273,257.96x = 409,885.04 × 210,190.38
  4. Step 4: Simplify right side
    273,257.96x = 86,153,892,313.92
  5. Step 5: Solve for x
    x = 86,153,892,313.92/273,257.96
  6. Step 6: Final answer
    x = 315,284.11

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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.