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Finding the Fourth Proportional to 470,788.17, 649,673.97 and 266,857.85

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Solution

The fourth proportional to 470,788.17, 649,673.97 and 266,857.85 is: 368,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,788.17 : 649,673.97 = 266,857.85 : x
  2. Step 2: Convert to fraction form
    470,788.17/649,673.97 = 266,857.85/x
  3. Step 3: Cross multiply
    470,788.17x = 649,673.97 × 266,857.85
  4. Step 4: Simplify right side
    470,788.17x = 173,370,595,586.80
  5. Step 5: Solve for x
    x = 173,370,595,586.80/470,788.17
  6. Step 6: Final answer
    x = 368,256.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.