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Finding the Fourth Proportional to 494,263.20, 741,394.80 and 294,808.80

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Solution

The fourth proportional to 494,263.20, 741,394.80 and 294,808.80 is: 442,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,263.20 : 741,394.80 = 294,808.80 : x
  2. Step 2: Convert to fraction form
    494,263.20/741,394.80 = 294,808.80/x
  3. Step 3: Cross multiply
    494,263.20x = 741,394.80 × 294,808.80
  4. Step 4: Simplify right side
    494,263.20x = 218,569,711,314.24
  5. Step 5: Solve for x
    x = 218,569,711,314.24/494,263.20
  6. Step 6: Final answer
    x = 442,213.20

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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.