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Finding the Fourth Proportional to 554,194.70, 831,379.17 and 180,130.22

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Solution

The fourth proportional to 554,194.70, 831,379.17 and 180,130.22 is: 270,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,194.70 : 831,379.17 = 180,130.22 : x
  2. Step 2: Convert to fraction form
    554,194.70/831,379.17 = 180,130.22/x
  3. Step 3: Cross multiply
    554,194.70x = 831,379.17 × 180,130.22
  4. Step 4: Simplify right side
    554,194.70x = 149,756,512,795.52
  5. Step 5: Solve for x
    x = 149,756,512,795.52/554,194.70
  6. Step 6: Final answer
    x = 270,223.65

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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.