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Finding the Fourth Proportional to 383,283.09, 574,926.85 and 98,954.22

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Solution

The fourth proportional to 383,283.09, 574,926.85 and 98,954.22 is: 148,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,283.09 : 574,926.85 = 98,954.22 : x
  2. Step 2: Convert to fraction form
    383,283.09/574,926.85 = 98,954.22/x
  3. Step 3: Cross multiply
    383,283.09x = 574,926.85 × 98,954.22
  4. Step 4: Simplify right side
    383,283.09x = 56,891,437,998.81
  5. Step 5: Solve for x
    x = 56,891,437,998.81/383,283.09
  6. Step 6: Final answer
    x = 148,431.90

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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.