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Finding the Fourth Proportional to 273,004.80, 409,814.40 and 210,950.40

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Solution

The fourth proportional to 273,004.80, 409,814.40 and 210,950.40 is: 316,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,004.80 : 409,814.40 = 210,950.40 : x
  2. Step 2: Convert to fraction form
    273,004.80/409,814.40 = 210,950.40/x
  3. Step 3: Cross multiply
    273,004.80x = 409,814.40 × 210,950.40
  4. Step 4: Simplify right side
    273,004.80x = 86,450,511,605.76
  5. Step 5: Solve for x
    x = 86,450,511,605.76/273,004.80
  6. Step 6: Final answer
    x = 316,662.97

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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.