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Finding the Fourth Proportional to 483,606.40, 724,891.20 and 183,971.20

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Solution

The fourth proportional to 483,606.40, 724,891.20 and 183,971.20 is: 275,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,606.40 : 724,891.20 = 183,971.20 : x
  2. Step 2: Convert to fraction form
    483,606.40/724,891.20 = 183,971.20/x
  3. Step 3: Cross multiply
    483,606.40x = 724,891.20 × 183,971.20
  4. Step 4: Simplify right side
    483,606.40x = 133,359,103,933.44
  5. Step 5: Solve for x
    x = 133,359,103,933.44/483,606.40
  6. Step 6: Final answer
    x = 275,759.59

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1.5x scale

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.