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Finding the Fourth Proportional to 494,602.70, 741,904.05 and 295,148.30

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Solution

The fourth proportional to 494,602.70, 741,904.05 and 295,148.30 is: 442,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,602.70 : 741,904.05 = 295,148.30 : x
  2. Step 2: Convert to fraction form
    494,602.70/741,904.05 = 295,148.30/x
  3. Step 3: Cross multiply
    494,602.70x = 741,904.05 × 295,148.30
  4. Step 4: Simplify right side
    494,602.70x = 218,971,719,120.62
  5. Step 5: Solve for x
    x = 218,971,719,120.62/494,602.70
  6. Step 6: Final answer
    x = 442,722.45

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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.