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Finding the Fourth Proportional to 494,778.60, 741,212.91 and 295,258.59

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Solution

The fourth proportional to 494,778.60, 741,212.91 and 295,258.59 is: 442,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,778.60 : 741,212.91 = 295,258.59 : x
  2. Step 2: Convert to fraction form
    494,778.60/741,212.91 = 295,258.59/x
  3. Step 3: Cross multiply
    494,778.60x = 741,212.91 × 295,258.59
  4. Step 4: Simplify right side
    494,778.60x = 218,849,478,696.40
  5. Step 5: Solve for x
    x = 218,849,478,696.40/494,778.60
  6. Step 6: Final answer
    x = 442,318.00

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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.