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Finding the Fourth Proportional to 318,652.94, 477,814.74 and 93,984.78

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Solution

The fourth proportional to 318,652.94, 477,814.74 and 93,984.78 is: 140,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,652.94 : 477,814.74 = 93,984.78 : x
  2. Step 2: Convert to fraction form
    318,652.94/477,814.74 = 93,984.78/x
  3. Step 3: Cross multiply
    318,652.94x = 477,814.74 × 93,984.78
  4. Step 4: Simplify right side
    318,652.94x = 44,907,313,219.66
  5. Step 5: Solve for x
    x = 44,907,313,219.66/318,652.94
  6. Step 6: Final answer
    x = 140,928.60

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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.