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Finding the Fourth Proportional to 382,970.28, 574,540.68 and 116,751.48

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Solution

The fourth proportional to 382,970.28, 574,540.68 and 116,751.48 is: 175,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,970.28 : 574,540.68 = 116,751.48 : x
  2. Step 2: Convert to fraction form
    382,970.28/574,540.68 = 116,751.48/x
  3. Step 3: Cross multiply
    382,970.28x = 574,540.68 × 116,751.48
  4. Step 4: Simplify right side
    382,970.28x = 67,078,474,710.21
  5. Step 5: Solve for x
    x = 67,078,474,710.21/382,970.28
  6. Step 6: Final answer
    x = 175,153.21

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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.