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Finding the Fourth Proportional to 483,617.40, 724,907.70 and 183,982.20

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Solution

The fourth proportional to 483,617.40, 724,907.70 and 183,982.20 is: 275,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,617.40 : 724,907.70 = 183,982.20 : x
  2. Step 2: Convert to fraction form
    483,617.40/724,907.70 = 183,982.20/x
  3. Step 3: Cross multiply
    483,617.40x = 724,907.70 × 183,982.20
  4. Step 4: Simplify right side
    483,617.40x = 133,370,113,442.94
  5. Step 5: Solve for x
    x = 133,370,113,442.94/483,617.40
  6. Step 6: Final answer
    x = 275,776.09

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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.