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Finding the Fourth Proportional to 273,314.20, 409,971.30 and 133,346.20

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Solution

The fourth proportional to 273,314.20, 409,971.30 and 133,346.20 is: 200,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,314.20 : 409,971.30 = 133,346.20 : x
  2. Step 2: Convert to fraction form
    273,314.20/409,971.30 = 133,346.20/x
  3. Step 3: Cross multiply
    273,314.20x = 409,971.30 × 133,346.20
  4. Step 4: Simplify right side
    273,314.20x = 54,668,114,964.06
  5. Step 5: Solve for x
    x = 54,668,114,964.06/273,314.20
  6. Step 6: Final answer
    x = 200,019.30

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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.