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Finding the Fourth Proportional to 554,605.66, 831,908.49 and 180,628.66

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Solution

The fourth proportional to 554,605.66, 831,908.49 and 180,628.66 is: 270,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,605.66 : 831,908.49 = 180,628.66 : x
  2. Step 2: Convert to fraction form
    554,605.66/831,908.49 = 180,628.66/x
  3. Step 3: Cross multiply
    554,605.66x = 831,908.49 × 180,628.66
  4. Step 4: Simplify right side
    554,605.66x = 150,266,515,791.32
  5. Step 5: Solve for x
    x = 150,266,515,791.32/554,605.66
  6. Step 6: Final answer
    x = 270,942.99

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Similar ratio
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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.