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Finding the Fourth Proportional to 318,365.46, 477,383.83 and 93,696.71

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Solution

The fourth proportional to 318,365.46, 477,383.83 and 93,696.71 is: 140,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,365.46 : 477,383.83 = 93,696.71 : x
  2. Step 2: Convert to fraction form
    318,365.46/477,383.83 = 93,696.71/x
  3. Step 3: Cross multiply
    318,365.46x = 477,383.83 × 93,696.71
  4. Step 4: Simplify right side
    318,365.46x = 44,729,291,657.04
  5. Step 5: Solve for x
    x = 44,729,291,657.04/318,365.46
  6. Step 6: Final answer
    x = 140,496.68

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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.