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Finding the Fourth Proportional to 494,420.40, 741,630.60 and 336,956.40

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Solution

The fourth proportional to 494,420.40, 741,630.60 and 336,956.40 is: 505,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,420.40 : 741,630.60 = 336,956.40 : x
  2. Step 2: Convert to fraction form
    494,420.40/741,630.60 = 336,956.40/x
  3. Step 3: Cross multiply
    494,420.40x = 741,630.60 × 336,956.40
  4. Step 4: Simplify right side
    494,420.40x = 249,897,177,105.84
  5. Step 5: Solve for x
    x = 249,897,177,105.84/494,420.40
  6. Step 6: Final answer
    x = 505,434.60

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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.