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Finding the Fourth Proportional to 626,940.52, 940,114.36 and 242,869.26

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Solution

The fourth proportional to 626,940.52, 940,114.36 and 242,869.26 is: 364,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,940.52 : 940,114.36 = 242,869.26 : x
  2. Step 2: Convert to fraction form
    626,940.52/940,114.36 = 242,869.26/x
  3. Step 3: Cross multiply
    626,940.52x = 940,114.36 × 242,869.26
  4. Step 4: Simplify right side
    626,940.52x = 228,324,882,454.00
  5. Step 5: Solve for x
    x = 228,324,882,454.00/626,940.52
  6. Step 6: Final answer
    x = 364,189.07

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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.