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Finding the Fourth Proportional to 382,857.69, 574,368.60 and 116,639.67

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Solution

The fourth proportional to 382,857.69, 574,368.60 and 116,639.67 is: 174,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,857.69 : 574,368.60 = 116,639.67 : x
  2. Step 2: Convert to fraction form
    382,857.69/574,368.60 = 116,639.67/x
  3. Step 3: Cross multiply
    382,857.69x = 574,368.60 × 116,639.67
  4. Step 4: Simplify right side
    382,857.69x = 66,994,163,962.36
  5. Step 5: Solve for x
    x = 66,994,163,962.36/382,857.69
  6. Step 6: Final answer
    x = 174,984.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.