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Finding the Fourth Proportional to 482,141.70, 723,347.94 and 178,531.26

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Solution

The fourth proportional to 482,141.70, 723,347.94 and 178,531.26 is: 267,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,141.70 : 723,347.94 = 178,531.26 : x
  2. Step 2: Convert to fraction form
    482,141.70/723,347.94 = 178,531.26/x
  3. Step 3: Cross multiply
    482,141.70x = 723,347.94 × 178,531.26
  4. Step 4: Simplify right side
    482,141.70x = 129,140,219,146.60
  5. Step 5: Solve for x
    x = 129,140,219,146.60/482,141.70
  6. Step 6: Final answer
    x = 267,847.02

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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.