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Finding the Fourth Proportional to 318,473.22, 477,792.46 and 93,841.60

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Solution

The fourth proportional to 318,473.22, 477,792.46 and 93,841.60 is: 140,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,473.22 : 477,792.46 = 93,841.60 : x
  2. Step 2: Convert to fraction form
    318,473.22/477,792.46 = 93,841.60/x
  3. Step 3: Cross multiply
    318,473.22x = 477,792.46 × 93,841.60
  4. Step 4: Simplify right side
    318,473.22x = 44,836,808,914.34
  5. Step 5: Solve for x
    x = 44,836,808,914.34/318,473.22
  6. Step 6: Final answer
    x = 140,786.75

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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.